Filters
filters — pre-owned
Browse 880 filters — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.
SICCE WHALE 350 EXTERNAL CANISTER FILTER TOP for AQUARIUM WATER 330 GPH SIC428
Parting out a whale 350 filter.
Reef Octopus’s - Classic 150S 6" Internal Space Saving Protein Skimmer
Reef Octopus Classic 150S. The Classic 150S is a compact “Space Saver” design that provides excellent performance while minimizing sump footprint. The Aquatrance pump operates normally and the unit is ready to be installed and put back into service.
Reef Factory Smart Roller S Aquarium Filter Fleece Roller Mat Reef Tank READ!
Filter roller is missing drain tubing and fitting that attaches to aquarium drain. This unit is being sold AS-IS for parts or repair only! Unit is fully operational otherwise! Could definitely still be used if you have drain fitting or can make one. Roller and float sensor still functional.
LIFEGARD Aquatics Medium Side Flow Turbo Reactor for Aquariums
MAXIMUM EFFICIENCY SLIDE FLOW TURBO REACTOR: Gain maximum efficiency and water flow in aquariums and fish tanks with this Medium Side Flow Turbo Reactor from LIFEGARD Aquatics. DURABLE CERAMIC BEARINGS: This turbo reactor for all shapes and sizes of bio-pellets, GFO and Carbon is built on the smallest possible footprint and hand crafted from high quality materials. BUILT-IN AQUARIUM FLOW CONTROL: Opt for an aquarium turbo reactor that is easy to set up and features built-in flow control and maximized performance with this LIFEGARD Aquatics side flow turbo reactor. MAKE THE MOST OF MINIMUM SPACE: Whether you have a small or large aquarium, this side flow turbo reactor makes the most of minimum space and does not require PVC pipes, ball valves or flexible tubes to operat
Free Media 265GPH / 370GPH / 525GPH External Aquarium Filter with Builtin Pump K
Maximum flow rate of 370GPH from built in pump. Advanced, high-performance features help ensure high water quality plus quick and easy routine filter maintenance. Removes organic film and debris from water surface.
Reef Octopus Octo Classic BH-1000 Hang On the Back Protein Skimmer 125 Gallon
Eheim Professionel 4+ Aquarium Canister Filter
Good working condition. Comes with chome pipes as well as original pipes. Also comes with inline water heater.
Red Sea NanoMat Fleece Roller Filter – Used / Tested / Working
It has been tested and works properly. Original box is not included. What you see in the pictures is exactly what you will receive. Model: NanoMat. Type: Automatic Fleece Roller Filter.
Reef Octopus Classic 200INT Protein Skimmer
Buy it cheap! Great deal! Not using the tank anymore, so here it is!
MARINELAND MAGNUM 350 PRO DELUXE CANISTER FILTER
MARINELAND MAGNUM 350 PRO DELUXE CANISTER FILTER Not sure if it’s 100% complete Please see photos for what’s included and for condition
Aquarium CO2 Scrubber Reactor Canister for Reef Tank Skimmer
CO2 scrubber canister shown in photos. Clear canister has visible residue/wear from prior use.
MARINELAND Canister Filter Model C-220 Up To 55 Gallon Aquarium
In good condition with some scratches from use and storage. Filter media is not included. Only includes what is pictured. Please see pictures for more details.
Fluval 104 MSF Canister Filter for 25 Gallon Freshwater Saltwater Untested
This listing features a Fluval 104 Multi-Stage Canister Filter, designed for both freshwater and saltwater aquariums. The filter is engineered for efficient and thorough filtration, providing optimal water quality for tanks up to 25 U.S. gallons (100 liters). Included are all necessary hoses and fittings, along with a separate Fluval 104/204 accessory kit which contains additional parts and filter media. This robust external filter system is ideal for maintaining a healthy and clear aquatic environment. Please see images for exact condition and included components.
Aqueon QuietFlow Canister Filter 200, 200 GPH, 55 gal, Water Polishing Unit
This filter is about a year old and was only used for about 6 months. system is in very good working condition. Just took down the aquarium we had .
Tank with lamps, heater, filter & turtles
Tank (60 gallons) Heat & UVB lamp Tank warmer (40+ Gallons) Filter (75+ gallons) Yellow bellied slider (turtle) Red eared slider (turtle) Must take all. I am not selling separately.
Penn-Plax Cascade 300 Power Filter Aquarium Fish Tank Filter Pump
The Penn-Plax Cascade 300 Power Filter Aquarium Fish Tank Filter Pump is a reliable and efficient external filter pump designed for aquariums with a tank capacity of 100 gallons. This filter pump, known for the brand's reputation for quality products, is suitable for all water types and is designed to effectively keep the water in your aquarium clean and healthy for your fish. The CPF3 model is a great choice for maintaining the water quality in your aquatic habitat. The pump has been used but it is in good condition and runs. Comes with the original box and instructions.
QuietFlow LED PRO 50 Gallon Aquarium Power Filters - Aqueon
Bubble Magus BM-Curve 5 Protein Skimmer
The Bubble Magus BM-Curve 5 model is known for its efficiency and ease of maintenance, making it a popular choice among aquarium enthusiasts looking to maintain clean and clear water for their aquatic pets.
Aqumaxx Aquaready HOB - 1.5 Protein Skimmer
Nothing is broken. Guaranteed to have all parts. Assembled but never used or even touched water. Comes with instruction card but no box.
Eshopps X-160 Protein Skimmer
The Eshopps X-160 Protein Skimmer is a high-quality aquarium filter designed by Eshopps. As a protein skimmer, it helps to efficiently remove excess nutrients and waste products from the water, promoting a healthier environment for fish and other aquatic animals. This product is essential for maintaining the water quality in fish tanks and aquariums, ensuring a clean and safe environment for the inhabitants.
Perfect-A-Flo Undergravel Filter Aquariums
Estate find see pictures don’t know if it’s been used unsure what’s missing in each.
You save $12.60
Tunze DOC Skimmer 9001 DC
This is a DC version. Works as it should. Please see the pictures for more detals. The magnet is glued to side to use it a nano tank.
Reef Octopus Elite 150-int
Good working order
Marineland Magnum 330 Canister Aquarium Filter Original 1980s Motor Works Parts
Marineland Magnum 330 Canister Aquarium Filter Original 1987 Motor Works For Parts Only Motor works, turns on Probably incomplete For Parts Only, sold as is
You save $29.00
EHEIM Classic 150 Canister Filter (Please read description)
Great classic filter, doesn’t need advertising. I used it for three years, and it works fabulously. The only little issue I had was that when I replaced the hoses once, the outflow outlet tip broke off. I fixed it quite professionally, using a thin sleeve and a high-tensile-strength two-component epoxy. While it’s much sturdier now, the insert sleeve (see picture) doesn’t noticeably slow the water flow. I always used the valves on the quick connector to throttle down the flow anyway. I couldn’t tell if the valve was more closed after the successful repair.
AMERICAL Marine wet/dry Sump filter system. Measures 18" X 14" X 8".
Specifications:18" X 14" X 8".
Reef Octopus Classic NW-150-6530B Protein Skimmer Body Only - NO PUMP / MOTOR
Fluval 207 Canister Filter Black/Gray, 20-45 Gal, 206 GPH | handle is broken
The Fluval 207 Canister Filter in black and gray is designed for aquariums with a tank capacity of 20-45 gallons. With a filter capacity of 206 gallons per hour, this external filter by Fluval is suitable for all water types. The Fluval 207 model is known for its reliability and efficiency in keeping water clean and clear in fish tanks. While the handle may be broken, the filter itself is still a valuable and essential component for maintaining a healthy aquatic environment.
Aqua-Clear 70 Hang-On-Back Power Filter A615A1 for 40-70 Gal Aquariums
Open Box. Slightly Used Pictures are of item you are purchasing
EHEIM CLASSIC CANISTER 600 Filter (Please read Description)
Three years in use with no issues, and many more years to come. Classic filter, it doesn’t need any advertisement. The only issue is that one of the brackets for the metal clips on the canister is chipped, so the clip comes off very easily during maintenance. It does snap tight when you close up the filter, though! It wasn’t a big deal for me; I bought it new with this flaw, and I didn’t have the patience to bother with a return. Instead, I brought two replacement clips, but never lost one, so those are included. I cleaned everything better than during maintenance, but it does have some signs of usage, of course.
fluval fx4 canister filter
Untested. Please view all pictures for an accurate depiction of condition. Only comes with what you see in the pictures.
Octo 150 int
The Octo 150 Int by Reef Octopus is a high-quality protein skimmer designed for marine aquariums. With a flow rate of 2500 gallons per hour, this skimmer efficiently removes excess nutrients from the water to promote healthy tank conditions. Made in the United States, this model is known for its durability and effectiveness in maintaining water quality for fish and other aquatic pets. Perfect for aquarium enthusiasts looking to enhance the filtration system of their marine tank.
Reef Octopus Classic 200 Int Protein Skimmer
The Reef Octopus Classic 200 Int Protein Skimmer is a high-quality filtration system designed specifically for fish tanks and aquariums. Made by the reputable brand Reef Octopus, this protein skimmer effectively removes waste and harmful substances from the water, promoting a healthier environment for your aquatic pets. Please see photos- some crazing on the inside of the collection cup. It seems it is on the inside of the acrylic and does not impact performance. Very quiet pump runs as it should. No reasonable offer will be refused.
Sunsun Hw-302 Customer Return
Customer return New parts kit included
Lot Of Aquarium Pumps, and Other AccessoriesIncluding Loc Line Please See Photos
This lot has a variety of of pumps, lights and accessories. All parts in these pictures are in like new condition. Most are new. And all our bench tested. Pet bank feeder Top Finn air system Freesea pump Mag float Hygger salt, water light Unbranded salt water light Loc-line 23 piece piping system including 16 piece adjustable pipe measuring 16” Remote for lights One small submersible pump Three duck bills 2 Y splitters 1 wave maker 1 pipe connector
Santa Monica Filtration Drop.2 Drop-In UAS Upflow Algae Scrubber with Air Pump
We take great pride in properly representing each item that we have for sale.
Lot Of Aquarium Parts Pump Filters Bulbs Please See Photos
*** listing is for 6 aquarium parts shown in the photos, thank you!!***The product is a lot of aquarium parts including pumps, filters, and bulbs. The photos provide a clear view of the items included in the lot. These parts are essential for maintaining a healthy and functioning aquarium, ensuring proper filtration and water circulation. Perfect for fish tank enthusiasts looking to upgrade or replace their existing aquarium equipment.
You save $5.07
USED Fluval AquaClear AC20 Power Filter 5-20 Gallon UPDATED VERSION Hagen
Still has box, instructions, and warranty info sheet. NOTE this is the latest version of this popular filter from2024 !
two (2) water tank skimmers + 1 submersible pump - used FOR PARTS ONLY
I don't have a salt water tank so I am not even sure how to use them. None of these have been tested so I am not sure if they work.
Marineland Canister Filter Black Cylinder Red Lid Filter Cartridge External
Marineland Canister Filter Black Cylinder Red Lid Filter Cartridge External