Whisper Bio Bags Large 12 Pack 29 55 gallon tank divider Compact Top PT2224 Nano 20

Compact Top PT2224 Nano 20 x 9 x 15 cm 8” x 3

or overlayered with river rock

It does not leach phosphate or silicate back into the water and may be removed

and can be used to test the oxygen levels in both freshwater and saltwater aquariums as well as ponds

connector complete with sealing rings for hose 16/22 mm

Whisper Bio Bags Large 12 Pack 29 55 gallon tank divider Compact Top PT2224 Nano 20Whisper Bio Bag Cartridges complete the Whisper Power Filter package for a clean, easy to maintain aquarium. The Whisper Bio Bag multi packs come unassembled and offer economical pricing on larger quantities. Fits: Large 20, 30,40 and 60 Power Filters and 20i & 40i Internals