6 Pack Pre-Filter Foam Sponge(3 Pcs S + 3 Pcs L) For Aquarium Filter Inflow

Package include : 3 Pcs S + 3 Pcs L; Size of S : DxH is 1.4×2.4(35mmx60mm)hole D is 0.4(10mm); Size of L : DxH is 1.6×3.1(40mmx80mm)hole D is 0.8(20mm); Advantage : a cheap and must have filter accessoriesavoid filter pump inhalation of small fishshrimp or aquatic plants still keep good of water inflow; Applicable water : freshwater and saltwater.