Whisper Bio-Bag Replacement Cartridges, Small
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
|Bio-Bag Size||BFA Item #|
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-Bag when there is reduced water flow out of the filter.
For best results, change Bio-Bag monthly or sooner, if required.