*May exclude certain brands.
**May not be combined with any other offer.
Code expires 5/28/13
Replacement Diaphragm Assembly for Tetra Whisper air pumps only.
Whiper Air Pump Diaphragm Installation Instructions:
1. Unplug airpump from electrical outlet.
2. Unscrew cover from Air Pump.
3. Remove and replace diaphragm.
4. Screw cover back into place.