Product Overview The DELTA Quick Release Double Tap Valves are heavy-duty inline quick-disconnect connectors engineered for external canister filters and powerhead pumps in freshwater and marine aquariums. These tool-free compression fittings allow you to instantly shut off water flow and disconnect your canister filter or delicate glass lily pipes with zero spillage. This item qualifies for FREE shipping to the contiguous U.S. Shipping to Alaska or Hawaii? Contact us for a custom shipping quote—we’re here to help! Key Features & Benefits Spill-Free Quick Disconnect: Dual shut-off valves allow you to decouple canister filter tubing in seconds with minimal to no water spillage during routine maintenance. Integrated Precision Flow Control: Smooth control levers let you fine-tune water turnover and velocity to protect delicate fish or adjust current in nano aquariums. Durable ABS Plastic Construction: Lightweight, impact-resistant housing stands up to accidental bumps and is completely resistant to both acidic and alkaline water parameters. Tool-Free Compression Fittings: Secure threaded collars lock tubing tightly into place to prevent leaks and blowouts without requiring hose clamps or specialty tools. Universal Hose Compatibility: Available in two standard sizes (12/16mm and 16/22mm) to fit almost all major aquarium filter tubing, lily pipes, and inline equipment. Simplifies Pipe & Glassware Cleaning: Enables quick isolation of intake and outflow pipes so you can thoroughly scrub glassware or inline diffusers without draining your system. Technical Specifications Always verify your filter hose inner and outer diameters prior to selecting valve sizing. Specification Details Product Type / Style Inline Quick-Release Double Tap Valve Material / Build Impact-Resistant ABS Plastic Small Valve Sizing Fits 12/16 mm Hose (1/2 in ID / 5/8 in OD) Large Valve Sizing Fits 16/22 mm Hose (5/8 in ID / 4/5 in OD) Water Compatibility Freshwater & Marine Safe (Acidic and Alkaline Resistant) Installation Method Tool-Free Compression Fittings What's Included 1x DELTA Quick Release Double Tap Valve Assembly (Select Size) Dual Integrated Shut-Off Levers Threaded Hose Compression Collars Frequently Asked Questions 1. How do double tap valves simplify aquarium filter maintenance?Installing quick-release valves directly into your intake and outflow tubing allows you to isolate the canister filter by closing both levers. You can then unscrew the center coupling to disconnect the filter cleanly without losing line prime or causing living room spills. 2. Are these quick-disconnect valves safe for high-tech planted tanks or saltwater setups?Absolutely. The high-grade ABS plastic construction is completely inert, non-corrosive, and resistant to both acidic aquasoil environments and high-salinity reef conditions. 3. How do I prevent leaks when attaching my filter tubing to the valves?Push the flexible tubing firmly over the barbed fitting until flush, then tighten the threaded compression collar over the hose end. No hose clamps or glue are necessary to achieve a watertight seal.