Lee's Premium Under Gravel Filter 30L 38 or 45 Gallon - 36 x 12 in
Lee's Premium Under Gravel Filter 75 or 90 Gallon - 48 x 18 in
Lee's Premium Under Gravel Filter 40L 33 or 55 Gallon - 48 x 12 in
Lee's Premium Under Gravel Filter 15/20 Gallon - 24 x 12 in
Lee's Premium Under Gravel Filter 20L 29 Gallon - 30 x 12 in