Tetra Whisper 20 and 40 Air Pump Repair Kit Model 77847 & 77848 Part# 77877

Genuine Tetra replacement diaphragm assembly for the Tetra Whisper 20 and 40 Aquarium Air Pumps. Part# 77877

Kit compatible with the following air pump models

1. Whisper 20 Models 77847 / 77852 non UL
2. Whisper 40 Models 77848 / 77853 non UL