The Suction Seal Storz D-25 is used for watertight and airtight connection of two couplings, by inserting the Suction Seal Storz into the sealing seat between the lugs of a coupling D-25 with Lug Distance 31. It is suitable for pressure (D) and pressure/suction (DS) operation. The Suction Seal Storz D-25 has an length of 29mm, a width of 29mm and a height of 9mm. The Material is NBR. Color: black. Operating Temperature: -40°C - +110°C.