Skip to main content
Shop by category
Shop by category
Enter your search keyword
All Categories
Advanced
Hi (
Sign in
to bid or buy)
Daily Deals
Brand Outlet
Gift Cards
Help & Contact
Sell
Watchlist
Expand Watch List
Loading...
Sign in
to see your user information
My eBay
Expand My eBay
Summary
Recently Viewed
Bids/Offers
Watchlist
Purchase History
Buy Again
Selling
Saved Searches
Saved Sellers
My Garage
Sizes
Messages
Collection beta
The eBay vault
Notification
Expand Cart
Loading...
Something went wrong. View cart for details.
{"delay":300}
breadcrumb
eBay
Pet Supplies
Fish & Aquariums
Pet Supplies
Fish & Aquariums
Filters
50 gal. Tank Capacity Aquarium Undergravel Filters
50 gal. Tank Capacity Aquarium Undergravel Filters
Shop by Category
Fish & Aquariums
Filters
Air Stones
Algae Repellent
Aquariums & Tanks
CO2 Equipment
Cleaning & Maintenance
Coral & Live Rock
Decorations
Feeders
Filter Media & Accessories
Fish Pond Supplies
Food
Gravel & Substrate
Health Care
Heaters & Chillers
Lighting & Bulbs
Live Fish
Live Invertebrates
Live Plants
Meters & Controllers
Other Fish & Aquarium Supplies
Pumps (Air)
Pumps (Water)
Reverse Osmosis & Deionization
Tubing & Valves
UV Sterilizers
Water Tests & Treatment
More
View more categories
All Listings
Auction
Buy It Now
Best Match
Best Match
Time: ending soonest
Time: newly listed
Price + Shipping: lowest first
Price + Shipping: highest first
Distance: nearest first
List View
Gallery View
32 Results
2 filters applied
Tank Capacity
Type
Brand
Filter Location
Water Type
Condition
Price
Buying Format
Lee's Premium Aquariums Fish Tank Under Gravel Filter 5 10 20 55 75 125 Gal.
Brand New
$37.63
to
$143.21
$6.95 shipping
Penn-Plax Undergravel Aquarium Filter for 40-55 Gallon Tanks – Four 11.25” x ...
Brand New
·
Penn-Plax
(15)
$21.42
Free shipping
Only 1 left!
Lee's Premium Under Gravel Filter for 50-65 Gallon Aquariums Open Box Special!
Pre-Owned
$44.99
or Best Offer
$9.99 shipping
Lees Premium Under Gravel Filter for Aquariums - 50-65 gallon
Brand New
$81.77
Free shipping
You May Also Like
Aquarium Canister Filters
Filters
Aquarium Power Filters
External Aquarium Canister Filters
Penn-Plax Aquarium Undergravel Filters
Other Fish & Aquarium Supplies
All Water Types Aquarium Undergravel Filters
Pond Aquarium Undergravel Filters
$37.63 to $143.21$6.95 shippingBrand New · Penn-Plax$21.42Free shippingOnly 1 left!$44.99or Best Offer$9.99 shipping$81.77Free shipping