Tetra Whisper® Bio-Bag® Replacement Cartridges Size:Large, 3 ct the ammonia gas that has

the ammonia gas that has been captured in the PDZ granules is then released as a beneficial nutrient

Classic great taste since 1926

Controls Patio

Because the crate folds

Tetra Whisper® Bio-Bag® Replacement Cartridges Size:Large, 3 ct the ammonia gas that hasFor the ultimate in convenience, choose Assembled Whisper Bio Bag Cartridges. Packages are color coded, making it easier than ever to remember which size to purchase. Fits: Small 3i Internal Medium PF10 Power Filter, 10i Internal and Reptofilter 90 GPH Large 20, 30,40 and 60 Power Filters and 20i & 40i Internals Instructions 1. Rinse Bio Bag under cool tap water to remove carbon dust. 2. Open lid and insert Bio Bag into filter. 3. Replace clogged Bio