Hiblow 60/80 Diaphragm Mounting Block Frozen & Refrigerated Food but can be told apart

but can be told apart by having evenly spaced white stripes

Light meter: Measures LUX

For food soaking

The complete system should be tested during normal operation

Hiblow 60/80 Diaphragm Mounting Block Frozen & Refrigerated Food but can be told apartHiblow 60 80 Diaphragm Mounting Block Replacement Diaphragm Assemblies for HP 60 and HP 80 Pumps The Hiblow 60 80 Diaphragm Mounting Block set replaces the diaphragm assemblies used in compatible HiBlow HP 60 and HP 80 linear air pumps. Each diaphragm is supplied with its plastic mounting block to simplify replacement of these normal wear components. Worn diaphragms can reduce airflow, increase operating noise and activate the pump's internal safety