Pondmaster® Diaphragm Kits for AP Series Air Pumps Size:Fits AP-40 Air Pump This staple pond fish food

This staple pond fish food can be used in water temperatures above 70° F

Controls existing algae and helps resolve additional algae blooms

Enter the GC Tek Retro Kit

The Smart Control Hub is backed by a 5-year limited warranty to ensure year after year of reliable use

Black Matala can also function as biological filtration with its high surface area

Pondmaster® Diaphragm Kits for AP Series Air Pumps Size:Fits AP-40 Air Pump This staple pond fish foodThese diaphragm kits are repair kits for the Supreme and Pondmaster AP 20, AP 40, AP 60 and AP 100 Air Pumps. The diaphragms inside air pumps wear down over time, and eventually will develop tears; replacing the diaphragms returns the pumps to full potential. NOTE: The AP100 kit (item 14565) also can be used interchangeably with the EazyPro EPW10RK which has been discontinued. Customers looking for the EPW10RK can purchase the 14565. SKU UPC Code