[Adapter Filter Kit]This kit for 2 machines includes a replacement 4 filter elements and 4 check valve assembly, Kit is suitable for all machines with SC1200 serial numbers[Easy to Install]Removing the old filter and replacing with the new one is simple; no need to disassemble the unit[Replacement Cycle]Recommended 6 month replacement to the best protection and effectiveness of your 2 machine it is advised to replace the filter and valve every 6 months[Improved Check Valve] The check valve is made with diaphragm construction to better prevent water backflow and leakage to protect your machine.type: filtercolor:As shownMaterial:plasticPackage Contents:4 x filter elements4 x check valve assembliesOnly 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.