Application - Fits for Zodiac Jandy CS series cartridge filter models CS100, CS150, CS200, CS250 and CJ200/250 Filters. Material - Made of high-quality plastic material, O-ring selected premium quality rubber with great sealing performance, wear-resistant and durable. Advantage - Replacing the broken bottom threaded stem with our adapter will not affect the operation of the tank, the adapter installed easily and works like . Note - Before you buy it, please make sure it's the correct size for your tank and pressure gauge. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Photo Color Material:plastic Package Contents: 1 x R0557100 Pressure Gauge Adapter with O-Ring Seal Only the above package content, other products are not included. Note: Light reflection 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.