Set Includes: Pressure switch x 1, seal tape x 1, check valve female thread x 1, Size: Check valve - 20 x 16 x 9 mm Sealing tape - 12 x 0.075 x 10 mm Weight: Check valve - Approx. 86 g Sealing tape Color: White *Depending on your monitor settings, there may be slight differences in the color of the product you see here.