ALEGI Aquarium Filter Media Foam Material Cut to Fit, 36" x 12" x 1" 20 ppi, Bio Pre Filter Sponge Pad Sheet for Fish Tank

ALEGI Aquarium Filter Sponge Pad 23" x 12" / 23" x 16", 30PPI Bio Sponge Filter Media Cut-to-Size Foam for Fish Tank, Pond Filter (23" x 12" x 2")

AQUANEAT Aquarium Filter Sponge Open Cell Foam Sheet Bio Sponge Filter Media Pad HMF Fish Tank Sump Divider 11" x 10.25" x 2"/ 23" x 12.25" x 2" (11" Lx 10.25" W x 2" H, Black)

Cuttable Foam Pad Pre Filter, Can Cut to Fit Most Air Conditioner, Air Purifier, Kitchen Trash Cans, Pet Deodorizing Mat, 16.1x39.3x1/4inch(1Pack)

Aquapapa Bio Sponge Filter Media Pad 23" Cut-to-fit Foam for Aquarium Fish Pond Reef Canister Tank