LTWHOME Coarse Filter Pads Compatible with Pro 4 250, 250T, 350, 350T, 600 and Pro 4e 350 (Pack of 6pcs)Packing include: 6 pcs coase foam filter. Custom designed and manufactured for Eheim Pro 4 250, 250T, 350, 350T, 600 and Pro 4e 350 Change every 3 4 weeks. Provides efficient water flow with less clogging for long lasting filtration. Enhances biological filtration.

you could find different kinds of product quantities for your choice

Packing include: 12pcs polish pads

Approx size:106

6 x Bio-Foam filter

compatible For the Juwel Compact / Compact H / Bioflow 3

Custom designed and manufactured for Fluval 06 and 07 performance canister filters

600 and Pro 4e 350

Approx size:22

Pack include: 10pcs

There is no poly side to these filters

Approx size:106mm x 65mm x 15mm

Custom designed and manufactured for Eheim Aqua Compact 40 / 60