Easy to replace: Simply disconnect the hose and remove the old adapter, then replace the new adapter by connecting the threaded end to the filter and the other end to the hose, in just a few minutes Description: Used to connect the swimming pool filtration hose to the filter or pump, or to connect the backwash hose to the filtration valve. Use stainless steel hose clamps to securely secure the hose. Used in conjunction with above ground pool wall skimmer for connecting 1-1/4 "and 1-1/2" hoses Compatible Models Compatible with Hayward wide mouth oil harvester SP1090Wm, chlorine chemical feeder CL110ABG, and Pro series sand filters S140T and S144T Applicable: Perfect inlet and outlet adapters for most above ground swimming pool pumps, filters, and skimmers Specification: Three straight 1.5 "threaded hose fittings included in the package Application Replace Hayward SPX1091Z7 or SPX1091Z4 hose adapter Made of high-quality PVC material, the swimming pool filter pump hose joint is stable, sturdy, with a long service life and good connection performance