mounting blocks for a pair of diaphragms for the HP 40. It is best to replace both diaphragms at once.
Related products

£44.99
Medo LA45 Service Kit
Medo
For your Medo Air Pumps, Absolute Koi offers a wide selection of service kits. For your Medo Air Pump to operate at its best, routine maintenance i...
View full details
£114.99
Medo LA100-120 Service Kit
Medo
The MEDO LA-100A/120A Air Pump Service Kit includes the following and is appropriate for the LA-100A and LA-120A air pumps:Teflon-coated linear shu...
View full details
£84.99
Medo LA80 Service Kit
Medo
An air pump repair/service kit for Medo models LA-80B that includes:2 pistons total4 seals total1 filter no.

£39.99
Medo LA28 Service Kit
Medo
For your Medo Air Pumps, Absolute Koi offers a wide selection of service kits. For your Medo Air Pump to operate at its best, routine maintenance i...
View full details
£16.99
Replacement Diaphragm Koi Pro Air Blow 50 Air Pump
Koi Pro
The Koi Pro Air-Blow 50 Air Pump has been expertly developed and built to give an +excellent performance to depths of up to 3 meters. It has a high...
View full details