LTWHOME Fish Pond Foam Filter Sponge Set 17 Inch X 11 Inch 3 Grade Media (Pack of 3 Sets) Pack include: 12pcs foam filter

Pack include: 12pcs foam filter (approx size:220 x 77 x 22 mm )and 12pcs polishing pads(thickness: 25mm)

1 x black coarse pad

Packing include: 1pc polyester foam

Compatible with Polaris 91003105 / 9-100-3105 / PP-91003105

Pack include: 12 x 30PPI filter pad

LTWHOME Fish Pond Foam Filter Sponge Set 17 Inch X 11 Inch 3 Grade Media (Pack of 3 Sets) Pack include: 12pcs foam filterPackage Include: 3 x coarse foam(black), 3 x medium foam(white), 3 x fine foam(blue). Foam size: 17 inch x 11 inch. Simply cut holes in the desired position with scissors to fit most filter boxes. Cleans pond water of suspended debris, keeping efficient water flow with less clogging for long lasting filtration. Provides a breeding ground for beneficial bacteria, aiding biological filtration.