All Water Types 20 gal. Tank Capacity Aquarium Undergravel Filters
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34 Results
PENN-PLAX Clear-Free Premium Under Gravel Aquarium Filter Assorted Sizes
$13.56 to $20.68Trending at $13.90eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Free shipping12 soldLees Premium Under Gravel Filter for Aquariums
$25.41 to $103.99$4.95 shippingLees Original Undergravel Filter 24 Long x 12 Wide (15-20 Gallons)
$16.07Was: $22.95or Best OfferFree shippingLees Original Under Gravel Filter for Aquariums
$8.99 to $75.99$4.95 shippingVintage NOS Undergravel Aquarium Filter MIRACLE FILTER in Box for Fish Tank
$9.00$14.80 shipping12 watching20 Gal Undergravel Aquarium Filter 2 Plate System Aquarium Outfitters
$20.99or Best OfferFree shippingRA Premium Under Gravel Filter - 15/20 gal
$61.25Free shippingCLEAR FREE PREMIUM UG FILTER 20H/15g
$25.97Free shipping