Undergravel Filter - 24 in. x 12 in.
Price: 19.99 USD
The Perfect-a-Flow Undergravel Filter is a biological filtration system for fresh or saltwater aquariums. The filter circulates water through the grav (…)
Economy Undergravel Filter for 5 1/2 gal. - 8 in. x 16 in.
Price: 4.79 USD
Economical and trouble-free bio-filtration for a variety of tank sizes. Lee’s Undergravel Filters feature adjustable uplift tubes with a fish-saver fe (…)