Flexible plastic outlet and semi-rigid inlet tubes. Hand pumping units incorporate one-way valves. Suitable for use with petrol, diesel and non-corrosive liquids. All tubes can be cut to length. SPS/25 For use with containers up to 25ltr. Fitted with 30mm bung. Tube length: inlet 410mm/outlet 530mm. SPS/205 For use with containers up to 205ltr. Fitted with a 50mm threaded bung. Tube length: inlet 860mm/outlet 1000mm. SPH/205 Heavy-duty, for use with containers up to 205ltr. Fitted with a 50mm threaded bung. Tube length: inlet 860mm/outlet 1000mm. SPS/25 has a squeeze action. SPS/205 & SPH/205 have a plunger type action.