1 off 9,5l/min roller head – When you need a single pumping unit. Reversable.
Dual head asymmetric
1 off 9,5l/min + 1 pc 10,0l/min roller head – Two pumps in one, use one for feed and one for return. Built-in capacity difference for perfect balance.
Dual head symmetric
2 off 9,5 l/min roller heads – Two pumps in one, use as two equal pumps or one with double capacity. Reversable.