Undergravel filter
Undergravel filter for sale on Ireland's largest auction and classifieds sites
Undergravel filter kit - filter, - £6.49
Placed underneath gravel • Aquarium these interconnecting • Pieces are ideal - Free postage - New and Used
Placed underneath gravel • Aquarium these interconnecting • Pieces are ideal - Free postage - New and Used
Undergravel filter kit - undergravel, - £10.51
Placed underneath gravel • Aquarium these interconnecting • Pieces are ideal - Free postage - New and Used
Placed underneath gravel • Aquarium these interconnecting • Pieces are ideal - Free postage - New and Used
Kockney koi undergravel filter - kockney, - £18.95
Yamitsu algae master • Quartz sleeves genuine • Spare uvc pond - Free postage - New and Used
Yamitsu algae master • Quartz sleeves genuine • Spare uvc pond - Free postage - New and Used
Aquarium undergravel filter - undergravel, - £10.99
Aquarium fish tank • Undergravel filter boyu • 12p 32p sizes - Free postage - New and Used
Aquarium fish tank • Undergravel filter boyu • 12p 32p sizes - Free postage - New and Used
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Aquarium black undergravel - aquarium, - £9.40
Modular under gravel • Filter kit ideal • Aquariums simply cover - Free postage - New and Used
Modular under gravel • Filter kit ideal • Aquariums simply cover - Free postage - New and Used
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48 listings · from £1.16 · avg £18.89
Browse 48 undergravel filter listings currently in our index. Prices range from £1.16 to £47.29, with an average of £18.89. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about undergravel filter →
Interpet gold fish - interpet, bowl - £9.99
Undergravel filtration system • Healthy aquarium interpet • Goldfish bowl filter - Free postage - New and Used
Undergravel filtration system • Healthy aquarium interpet • Goldfish bowl filter - Free postage - New and Used
Spare undergravel filter - spare, - £1.16
Spare under gravel • Filter plates undergravel • Filters can used - Free postage - New and Used
Spare under gravel • Filter plates undergravel • Filters can used - Free postage - New and Used
Hidom undergravel aquarium - hidom, - £15.95
However more filtration • You have better • Borderline decisions always - Free postage - New and Used
However more filtration • You have better • Borderline decisions always - Free postage - New and Used
Supa under gravel aquarium - supa, - £15.47
Inch under gravel • Aquarium filter pack • Suitable tropical marine - Free postage - New and Used
Inch under gravel • Aquarium filter pack • Suitable tropical marine - Free postage - New and Used
Supa under gravel aquarium - supa, - £15.18
Supa under gravel • Aquarium filter 17in • 11in suitable tropical - Free postage - New and Used
Supa under gravel • Aquarium filter 17in • 11in suitable tropical - Free postage - New and Used
Interpet goldfish bowl - goldfish, - £2.99
This simply placed • Under gravel attach • Carbon filter top - Free postage - New and Used
This simply placed • Under gravel attach • Carbon filter top - Free postage - New and Used
Resun undergravel filter - filter,, 24 - £18.00
New unused resun • Undergravel filter system • Piece 86cm 30cm - Free postage - New and Used
New unused resun • Undergravel filter system • Piece 86cm 30cm - Free postage - New and Used
Undergravel filter kit - undergravel, - £14.53
This ista shrimp • Undergravel filter kit • High quality ugf - Free postage - New and Used
This ista shrimp • Undergravel filter kit • High quality ugf - Free postage - New and Used
Penn plax premium under - under, gravel - £37.56
Check out top • Highlights under gravel • Filters penn plax - Free postage - New and Used
Check out top • Highlights under gravel • Filters penn plax - Free postage - New and Used
Under gravel filter box set - under, - £22.54
Shrimp love this • Filter but suits • All aquatic life - Free postage - New and Used
Shrimp love this • Filter but suits • All aquatic life - Free postage - New and Used
Under gravel filter box set - box, - £24.62
Shrimp love this • Filter but suits • All aquatic life - Free postage - New and Used
Shrimp love this • Filter but suits • All aquatic life - Free postage - New and Used
Printed undergravel filter - 3d, - £14.99
Ugf filter draws • Water evenly through • Substrate encouraging growth - Free postage - New and Used
Ugf filter draws • Water evenly through • Substrate encouraging growth - Free postage - New and Used
Printed undergravel filter - 3d, - £14.99
Personally use this • Ugf filter our • 40l caridina shrimp - Free postage - New and Used
Personally use this • Ugf filter our • 40l caridina shrimp - Free postage - New and Used
Under gravel aquarium filter - under, - £11.04
Under gravel aquarium • Filter suitable tropical • Marine cold water - Free postage - New and Used
Under gravel aquarium • Filter suitable tropical • Marine cold water - Free postage - New and Used
Penn plax undergravel - penn-plax, aquarium - £47.29
Nothing like old • School clear free • Premium under gravel - Free postage - New and Used
Nothing like old • School clear free • Premium under gravel - Free postage - New and Used
Under gravel aquarium filter - gravel, - £18.25
Under gravel aquarium • Filter suitable tropical • Marine cold water - Free postage - New and Used
Under gravel aquarium • Filter suitable tropical • Marine cold water - Free postage - New and Used
Aquarium under gravel filter - under, - £18.99
Foods aquarium plants • Real bog curio • Pond bird books - Free postage - New and Used
Foods aquarium plants • Real bog curio • Pond bird books - Free postage - New and Used
Undergravel filter kit - filter, - £10.32
Placed underneath gravel • Aquarium these interconnecting • Pieces are ideal - Free postage - New and Used
Placed underneath gravel • Aquarium these interconnecting • Pieces are ideal - Free postage - New and Used
Supa large hexagonal - supa, - £18.58
Supa large hexagonal • Under gravel aquarium • Filter suitable tropical - Free postage - New and Used
Supa large hexagonal • Under gravel aquarium • Filter suitable tropical - Free postage - New and Used
Penn plax premium under - premium, gravel - £38.98
This undergravel filter • Hides from view • Maximum aesthetics color - Free postage - New and Used
This undergravel filter • Hides from view • Maximum aesthetics color - Free postage - New and Used
Under gravel aquarium filter - under, - £16.39
Weight gravel seals • Edge filter plate • Bottom aquarium water - Free postage - New and Used
Weight gravel seals • Edge filter plate • Bottom aquarium water - Free postage - New and Used
Pack aquarium fish tank - aquarium, - £9.46
Made food grade • Plastic bright never • Release substances ensure - Free postage - New and Used
Made food grade • Plastic bright never • Release substances ensure - Free postage - New and Used
Ugf box set - set, | - £23.98
Place ugf box • Inside your tank • Standard gravel basic - Free postage - New and Used
Place ugf box • Inside your tank • Standard gravel basic - Free postage - New and Used
Under gravel filter box - under, - £25.66
Under gravel filter • Box set shrimpford • Aquatic specifically shrimp - Free postage - New and Used
Under gravel filter • Box set shrimpford • Aquatic specifically shrimp - Free postage - New and Used
Pack under sand gravel - sand, - £17.50
Filter plate circulates • Water through gravel • Bed oxygenating beneficial - Free postage - New and Used
Filter plate circulates • Water through gravel • Bed oxygenating beneficial - Free postage - New and Used
Supa under gravel - supa, - £15.47
Inch under gravel • Aquarium filter pack • Suitable tropical marine - Free postage - New and Used
Inch under gravel • Aquarium filter pack • Suitable tropical marine - Free postage - New and Used
Undergravel filter - undergravel, - £11.69
This undergravel filter • Hides from view • Maximum aesthetics safe - Free postage - New and Used
This undergravel filter • Hides from view • Maximum aesthetics safe - Free postage - New and Used
Resun aquarium fish - resun, - £29.99
This undergravel filter • Board set includes • Interlocking plates provide - Free postage - New and Used
This undergravel filter • Board set includes • Interlocking plates provide - Free postage - New and Used
Ugf box set - box, under - £31.90
Good way lower • Water without using • Too much soil - Free postage - New and Used
Good way lower • Water without using • Too much soil - Free postage - New and Used
Supa under gravel aquarium - under, - £16.09
Specific uses part • Filtration system aquarium • Air lift tube - Free postage - New and Used
Specific uses part • Filtration system aquarium • Air lift tube - Free postage - New and Used
Aquarium undergravel uplift - aquarium, - £6.53
This undergravel filter • Hides from view • Maximum aesthetics safe - Free postage - New and Used
This undergravel filter • Hides from view • Maximum aesthetics safe - Free postage - New and Used
Acrylic undergravel filter box - acrylic, - £27.00
Aquarium filter box • Just take you • Minute like settle - Free postage - New and Used
Aquarium filter box • Just take you • Minute like settle - Free postage - New and Used
Supa under gravel aquarium - supa, - £38.13
Supa under gravel • Aquarium filter suitable • Tropical marine cold - Free postage - New and Used
Supa under gravel • Aquarium filter suitable • Tropical marine cold - Free postage - New and Used
Air driven undergravel - driven, - £41.01
Unit quantity type • Undergravel filter tank • Location internal this - Free postage - New and Used
Unit quantity type • Undergravel filter tank • Location internal this - Free postage - New and Used
Supa under gravel - under, aquarium - £16.11
Supa under gravel • Aquarium filter suitable • Tropical marine cold - Free postage - New and Used
Supa under gravel • Aquarium filter suitable • Tropical marine cold - Free postage - New and Used
Fluval fx4 fx5 fx6 aquastop - fx5, - £25.30
Replaces a20216 fluval • Fx5 fx6 aquastop • Valve a20217 such - Free postage - New and Used
Replaces a20216 fluval • Fx5 fx6 aquastop • Valve a20217 such - Free postage - New and Used
Supa under gravel - under, aquarium - £18.70
Supa under gravel • Aquarium filter suitable • Tropical marine cold - Free postage - New and Used
Supa under gravel • Aquarium filter suitable • Tropical marine cold - Free postage - New and Used
Under gravel aquarium - under, - £9.98
Weight gravel seals • Edge filter plate • Bottom aquarium water - Free postage - New and Used
Weight gravel seals • Edge filter plate • Bottom aquarium water - Free postage - New and Used
Aquarium under gravel filter - under, - £16.99
Foods aquarium plants • Real bog curio • Pond bird books - Free postage - New and Used
Foods aquarium plants • Real bog curio • Pond bird books - Free postage - New and Used
Pack under sand - 30, - £17.50
Filter plate circulates • Water through gravel • Bed oxygenating beneficial - Free postage - New and Used
Filter plate circulates • Water through gravel • Bed oxygenating beneficial - Free postage - New and Used
Supa under gravel aquarium - under, - £15.82
Supa under gravel • Aquarium filter suitable • Tropical marine cold - Free postage - New and Used
Supa under gravel • Aquarium filter suitable • Tropical marine cold - Free postage - New and Used
Under gravel aquarium - gravel, - £9.99
Tubes are • Under gravel aquarium • Filter improve water - Free postage - New and Used
Tubes are • Under gravel aquarium • Filter improve water - Free postage - New and Used
Penn plax premium under gravel - under, - £37.63
Check out top • Highlights under gravel • Filters penn plax - Free postage - New and Used
Check out top • Highlights under gravel • Filters penn plax - Free postage - New and Used
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Everything you need to know about undergravel filter
Whether you are looking for a brand-new or second-hand undergravel filter, eBay offers one of the largest selections available online. With 48 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £1.16, while premium listings can reach £47.29 — giving you a wide budget spread to work with. The average price of £18.89 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.