Free shipping applies to all domestic orders. Orders are processed and shipped during regular business hours (Monday through Friday 8:00 am to 5:00 pm EST, excluding holidays).
Save an extra 20% off your entire order with coupon code: HOLIDAY20
*May exclude certain brands.
**May not be combined with any other offer.
Code expires 12/13/13
Tetra Whisper Bio Foam Grid replacement kit. Bio Foam provides an extreme amount of surface area for optimal biological filtration in the Tetra In Tank Whisper power filters. The Bio-Foam Grid fits the Whisper In-Tank Power Filter. Each Whisper Bio Foam Kit includes foam and a plastic frame. For best results, replace the Bio Foam Grid according to the manufacturers recommended maintenance schedule.