1?��Plastic Material: This split hose plunger valve is made of premium plastic, which is sturdy and durable, replace your old pool accessory or upgrade to plunger valve system to improve water circulation and make hose and pump replacement a breeze! 2?��Elastic Rubber Ring: The rubber ring of this hose plunger valve is elastic, and it fits closely with the hose to form a sealed space and prevent water leakage. 3?��Convenient and Efficient: Install in one step, filter pump or filter core can be replaced at any time, or upgrade to a strong filter, effectively and conveniently stop the flow of the swimming pool. 4?��Versatile: This swimming pool hose plunger valve attachment is used for above ground pool saltwater systems, will be the perfect solution for you. 5?��Compatibility: Hose Adapter for above ground swimming pools, 5 inch T connection. The use of this component will keep the swimming pool safe and working properly.