This easy-to-install valve features compression fittings for fast and secure installation. Once installed, it allows refined flow adjustments to be made on canister filters and powerhead pumps. The quick-release allows for convenient disconnection with minimal to no spillage. Engineered and designed from durable and lightweight ABS plastic, this valve connect is resistant to accidental impact, acidic and alkaline water. Available in two common sizes and does not require tools for installation.