Filter Media & Cartridges

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Stella & Chewy's Shredrs chicken and chicken liver wet dog food pouch shown from the front.
Stella & Chewy's

Stella & Chewy's Shredded Wet Dog Food, Chicken & Chicken Liver in Broth, 79 g Pouch

Stella & Chewy's Shredrs Cage Free Chicken & Chicken Liver Recipe in Broth is wet dog food for a complete and balanced meal or a topper, in a 2.8 oz (79 g) pouch. Real shredded muscle meat in slowly simmered broth — adds protein...
£20.36
£20.36
Preferhouse dog shirt shown from the front with its striped design.
Preferhouse

Preferhouse Striped Dog T-Shirts for Summer, XS–XL, Soft Quick-Dry Fabric

Preferhouse striped dog T-shirts are pet tops for summer wear and everyday outings, offered in five sizes from XS to XL with stripe and heart-pattern designs. Five sizes, XS to XL — options for small, medium, and large dogs, with a size chart to...
£21.15
£21.15
Bbmmayy Rhinestone Dog Collar shown from the front in dark blue.
Bbmmayy

Bbmmayy Rhinestone Dog Collar, Dark Blue Size S with Flower Detail and Adjustable Fit

Bbmmayy Rhinestone Dog Collar is a decorative dog collar designed to dress up your dog, with a dark blue size S fit for necks measuring 10.6–13 in (26–32 cm) and an adjustable metal buckle. Dark blue, size S fits necks 10.6–13 in (26–32 cm)...
£21.26
£21.26
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  • Fluval FX6 Service Kit shown from the front with its maintenance components.
    Fluval

    Fluval FX5/FX6 Canister Filter Service Kit with Impeller and O-Rings

    The Fluval FX6 Service Kit is a maintenance parts kit for Fluval FX5 and FX6 High Performance Canister Filters, with a magnetic impeller assembly and replacement O-rings. Compatible with Fluval FX5 and FX6 High Performance Canister Filters — select service parts for these filter...
    £76.01
    £76.01
  • Reef Diaper disposable filter sock replacement elements shown as a 60-pack.
    Reef Diaper

    Reef Diaper Aquarium Filter Sock Replacement Elements, 60 Pack, Pleated 200-Micron Performance

    Reef Diaper Disposable Filter Sock Replacement Elements are made to simplify aquarium filtration maintenance, with pleated elements offering over 300 square inches of area and performance comparable to a 200-micron felt sock. 60 disposable replacement elements — keep replacements ready for routine aquarium maintenance....
    £107.44
    £107.44
  • MarineLand Rite Size C aquarium filter cartridge shown from the front.
    MarineLand

    MarineLand Rite Size C Aquarium Filter Cartridges, 18-Pack, Activated Carbon

    MarineLand Rite Size C aquarium filter cartridges are pre-assembled replacements for compatible Penguin Power Filters, supplied in an 18-pack for mechanical and chemical filtration. 18 pre-assembled Rite Size C cartridges — keep replacement cartridges ready for your filter. Fits Penguin PRO Power Filters 275...
    £89.85
    £89.85
  • pewyoke large aquarium filter cartridges shown from the front.
    pewyoke

    pewyoke Large Aquarium Filter Cartridges, 48-Pack for Whisper Filters

    pewyoke Large Aquarium Filter Cartridges are replacement filters for compatible Whisper bag filter series, supplied in a 48-pack to help maintain clear aquarium water. 48 cartridges — keeps replacement filters on hand for routine aquarium maintenance. Designed for Whisper models 20i, 40i, IQ20, 30,...
    £102.83
    £102.83
  • Aquatic Life DI resin refill shown in its vacuum-sealed, foil-lined resealable bag.
    Aquatic Life

    Aquatic Life Colour-Changing DI Resin Refill, 5 Litre for Aquarium RO/DI Filters

    Aquatic Life Mixed Bed Color Changing DI Resin is a 5-liter refill for aquarium RO/DI systems, designed to reduce TDS to zero in the final filtration stage and show when the resin is exhausted. 5-liter bulk refill — replenishes compatible refillable deionization cartridges. Color...
    £123.02
    £123.02
  • GOKUL BRANDS AquaClear 110 filter media kit showing the included inserts and two mesh bags.
    GOKUL BRANDS

    GOKUL BRANDS AquaClear 110 Aquarium Filter Media Kit with Foam, BioMax and Carbon

    GOKUL BRANDS AquaClear 110 HOB maintenance and replacement filter media kit refreshes filtration in the AquaClear 110 Power Filter with five pieces: three media inserts and two mesh bags. Foam insert combines mechanical and biological filtration to trap small particles and encourage beneficial microbial...
    £85.13
    £85.13
  • Aquatic Experts felt filter socks shown from the front.
    Aquatic Experts

    Aquatic Experts Aquarium Filter Socks, 100 Micron, 7 x 16 in, 10 Pack Reusable Felt

    Aquatic Experts Felt Filter Socks are reusable polyester felt mechanical filters for aquarium sumps, with 100-micron filtration and a 7 x 16 in (17.78 x 40.64 cm) size. 100-micron dense polyester felt — traps fine particles from aquarium water. Molded plastic ring — fits...
    £132.33
    £132.33
  • Marineland Rite-Size Cartridge E pack shown from the front.
    MarineLand

    MarineLand Rite-Size E Aquarium Filter Cartridges, 12 Count for Emperor Filters

    Marineland Rite-Size Cartridge E replacement cartridges are made for Emperor Power Filters, with a pre-assembled design that slides into place and filtration using double-thick poly fiber and activated carbon. 12 cartridges in 3 packs of 4 — keep replacement cartridges ready for your filter....
    £89.85
    £89.85
  • Aquatic Life Twist-In RO/DI cartridge pack shown from the front.
    Aquatic Life

    Aquatic Life Twist-In RO/DI Replacement Filter Cartridge Set, 4-Piece with Extra DI Resin

    Aquatic Life Twist-In RO/DI Value Pack is a four-cartridge replacement set for Aquatic Life Twist-In RO and RO/DI systems, with two DI cartridges for 75 and 100 GPD models. Four cartridges: one sediment, one carbon block and two deionization cartridges — supplies the replacement...
    £92.08
    £92.08
  • Umlecoa Rite-Size E filter cartridge shown from the front.
    Umlecoa

    Umlecoa Rite-Size E Aquarium Filter Cartridges, 32-Pack with Activated Carbon

    Umlecoa Rite-Size E replacement filter cartridges are a 32-pack for filtering aquarium water in compatible MarineLand Penguin and Emperor power filters, with cotton and coconut-shell activated carbon media. 32 replacement cartridges — keep a supply ready for routine filter changes. Fits Rite-Size E filter...
    £132.33
    £132.33
  • beaufan Media Maintenance Kit shown from the front with its product packaging.
    beaufan

    beaufan Fluval 306/307 Canister Filter Media Kit, 2 Sets with Carbon and Ceramic Rings

    The beaufan Media Maintenance Kit is replacement filter media for Fluval 306/307 Canister Aquarium Filters, with two sets in one box for refreshing your aquarium filter. Replace filter media every 2–4 months to keep up with routine aquarium filter maintenance. Activated carbon helps remove...
    £83.95
    £83.95
  • beaufan Media Maintenance Kit components arranged together for a full-set view.
    beaufan

    beaufan Fluval 406/407 Aquarium Filter Media Kit, 2 Sets with Foam and Carbon

    beaufan Media Maintenance Kit is a replacement filter-media set for Fluval 406/407 Canister Filters, made to support aquarium filtration with foam, ceramic rings, activated carbon and polishing pads. Replace filter media every 2–4 months — supports a regular aquarium maintenance routine. Two sets in...
    £88.67
    £88.67
  • Dreyoo Reef 500 replacement fleece roll shown from the front.
    Dreyoo

    Dreyoo Reef 500 Aquarium Filter Fleece Rolls, 4-Pack, 28 m, 50 μm High-Flow

    Dreyoo’s 4-pack of replacement fleece rolls is made for Reef 500 filtration systems treating saltwater coral tanks, with each roll measuring 92 ft (28.04 m) long by 4.45 in (11.30 cm) high. 50 μm filtration rating — traps particulates and debris in aquarium water....
    £66.57
    £66.57
  • Tetra Whisper filter cartridges shown from the front.
    Tetra

    Tetra Whisper Extra Small Aquarium Filter Cartridges, 96 Count, Dual-Sided Mesh

    Tetra Whisper Extra Small replacement filter cartridges help filter aquarium water in compatible AquaCulture and Tetra Aquarium Kits up to 3 gallons, using dual-sided mesh and Ultra-Activated carbon. 24 four-count packs — provides replacement cartridges for ongoing filter changes. Dual-sided mesh — catches debris...
    £201.57
    £201.57
  • Esctabalt large filter cartridges shown from the front.
    Esctabalt

    Esctabalt Large Aquarium Filter Cartridges, 24-Pack with Six-Layer Media

    Esctabalt large aquarium filter cartridges are made for Tetra Whisper Bio-Bag large filters, with six-layer media and compatibility with 20–60 gallon (75.7–227.1 L) aquarium setups. 24-pack of pre-assembled large cartridges — keep replacement filters ready for scheduled aquarium maintenance. Compatible with Tetra Whisper large...
    £83.95
    £83.95
  • Dreyoo Replacement Fleece Rolls shown as a four-roll pack.
    Dreyoo

    Dreyoo Reef 1200 Replacement Filter Fleece Rolls, 4-Pack, 50 μm High-Flow

    Dreyoo Replacement Fleece Rolls are a four-roll filter media pack for trapping particulates in saltwater coral tanks, with 50 μm filtration and compatibility with the Reef 1200 filtration system. Four replacement rolls — keep compatible filter media on hand. Non-woven polyester fleece with a...
    £112.27
    £112.27
  • MarineLand Rite Size C aquarium filter cartridge bundle shown from the front.
    MarineLand

    MarineLand Rite Size C Aquarium Filter Cartridges, 24-Pack for Penguin Filters with Activated Carbon

    MarineLand Rite Size C Aquarium Filter Cartridges are pre-assembled replacement cartridges for compatible Penguin Power Filters, supplied in a 24-pack with double-thick poly-fiber and activated carbon filtration. 24 replacement cartridges fit specified Penguin PRO and original Penguin Power Filter models — stock up for...
    £107.55
    £107.55
  • Aquatic Experts Bonded Aquarium Filter Pad shown from the front.
    Aquatic Experts

    Aquatic Experts Bonded Aquarium Filter Pad, 24 x 72 x 0.75 in Cut-to-Fit Sheet

    Aquatic Experts Bonded Aquarium Filter Pad is a cut-to-fit mechanical filter media sheet for trapping floating debris in aquarium water, measuring 24 x 72 x 0.75 in (61 x 183 x 1.9 cm). Cut-to-fit sheet — trim it for most filter setups instead of...
    £96.93
    £96.93
  • Sieral undergravel aquarium filter showing the modular plate layout
    Sieral

    Sieral Undergravel Aquarium Filter, 24 Modular Plates for 208–284 L Tanks

    Sieral Undergravel Aquarium Filter is a modular filtration system for 55–75 gallon fish tanks, with 24 plates that can be arranged to suit the tank layout. Modular PVC grid plates — combine the pieces into rows or other layouts to suit the tank floor....
    £94.57
    £94.57
  • Dreyoo Replacement Fleece Roll shown as a rolled filter refill.
    Dreyoo

    Dreyoo Reef 500 Aquarium Filter Fleece Rolls, 6-Pack, 28 m

    Dreyoo Replacement Fleece Rolls are made for filtering saltwater coral tanks in a Reef 500 system, with six rolls measuring 92 ft (28.04 m) long and 4.45 in (11.3 cm) high. Six replacement rolls — keep a set of fleece rolls ready for your...
    £100.47
    £100.47
  • RealPlus ceramic bio filter media shown as blue ceramic blocks from the front
    RealPlus

    RealPlus Ceramic Aquarium Filter Media, 90 Blue Blocks for Biological Filtration

    RealPlus Ceramic Bio Filter Media provides mechanical and biological filtration for aquariums, ponds, and fish tanks, with 90 blue ceramic blocks for filter setups. Mechanical and biological filtration — supports two filtration functions in one media. Designed to help remove ammonia and nitrite and...
    £124.07
    £124.07
  • SpectraPure Silicabuster Super DI cartridge showing its color-indicating design.
    SpectraPure

    SpectraPure SilicaBuster Colour-Indicating Super DI Cartridge for Post-RO Water

    The SpectraPure Silicabuster Color Indicating Super DI Cartridge is a deionization filter for post-RO or post-distillation water, designed to reduce silica, nitrates, phosphates, and heavy metals while producing water up to 18 megohm-cm resistivity. 33% more capacity than SpectraPure’s standard SilicaBuster DI cartridge —...
    £72.47
    £72.47
  • Threlaco filter media kit showing the complete assortment of aquarium filtration and maintenance items.
    Threlaco

    Threlaco Aquarium Filter Media Kit for Fluval 206/207, 50 Pieces with Sponge and Carbon

    Threlaco 50-piece aquarium filter media kit is made for maintenance and replacement in Fluval 206/207 canister filters, with a precision-cut bio-based sponge and a selection of mechanical, biological and chemical media. Precision-cut macroporous sponge — helps capture debris while maintaining water flow. Ammonia, nitrite...
    £105.19
    £105.19
  • beaufan filter sock shown from the front to display its overall shape.
    beaufan

    beaufan 7-Inch Aquarium Filter Socks, 20-Pack 150-Micron Reusable Honeycomb Bags

    beaufan 150-micron honeycomb filter socks are reusable aquarium filter bags designed to capture fine impurities and suspended solids, supplied as a 20-pack. 150-micron filtration with a 3D honeycomb structure — captures fine impurities and suspended solids to help improve water clarity. 20 reusable filter...
    £120.53
    £120.53

Sponges, pads, cartridges, ceramic rings and carbon for refilling and maintaining filters. Look out for Fluval, Threlaco, beaufan and 245 more. Common details in this edit are activated carbon, aquarium bio and biological filtration.

Narrower pages: Filter Sponges & Pads, Replacement Filter Cartridges, Ceramic & Biological Media, Aquarium Carbon & Chemical Media.

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Questions about Filter Media & Cartridges

Who makes the products in Filter Media & Cartridges?

Filter Media & Cartridges brings together Fluval, Threlaco, beaufan and 245 other makers.

What does Filter Media & Cartridges cover?

There are separate pages for Filter Sponges & Pads, Replacement Filter Cartridges, Ceramic & Biological Media and Aquarium Carbon & Chemical Media. On each one, filters narrow things down by brand and price.

How much does delivery cost on Filter Media & Cartridges?

Nothing. Delivery to any UK address is free, however small the order. We prepare orders within 1–3 working days; after that, most parcels reach you within 3–7 working days, and a tracking link is emailed as soon as yours is on its way. Some Highlands and island postcodes and Northern Ireland can take a little longer.

Can I send back something from Filter Media & Cartridges?

Send it back within 30 days of delivery, for any reason, as long as it is unused and still in its original packaging. We email a prepaid label so the return costs you nothing, and the money goes back to the way you paid no later than 10 working days after the parcel reaches us.

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