Pump connection 32/38 mm, pack of 2, pump connection 32/38 mm, pack of 2. Pump connections are necessary if additional devices are operated via a circulation pump via a parallel water circuit and different hose sizes or hose types are used. The corresponding hose is attached to the pump connection with hose ties. Box contents: 2 x pump connection 32/38 mm, pack of 2. Item may vary slightly from the picture