12mm Coiled Spring Rubber Bellow Pump Mechanical Seal 301-12 Product Name : Mechanical Seal;Model No. : 301-12 Internal Diameter : 12mm / 0.47inch; Overall Size : 26 x 12mm /1.02 x 0.47inch(H*Max.D) Material : Rubber, Metal, Ceramic;Color : Black, White, Silver Tone Net Weight : 13g Features single coil spring, rubber bellows structure, durability and stability. Widely used in the food and beverage processing industries, etc. Package Content : 1 x Mechanical Seal Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_