uxcell 26mm 3/4" PT Thread Dia Air Compressor Oil Sight Glass Spair Part Product Name : Oil Level Sight Glass;Fit for : Air Compressor Main Material : Plastic, Rubber;Main Color : Clear, Black Thread Diameter : 26 mm / 3/4" PT;Total Size : 35 x 22 mm / 1.4" x 0.87" (Max.D*H) Weight : 12g Package Content : 1 x Oil Level Sight Glass