PVC Mini Float Valve with Adjustable Arm &bull; 1/4" RO Reverse Osmosis Supply Line for Ponds &bull; Aquariums &bull; Aquaponics &bull; Aquaculture &bull; Hydroponics Tank Reservoir by Cz Garden (1 Pack Cz Mini Float Valve) PVC MINI FLOAT VALVE is just what you need to keep water supplied to your project. This is well designed and ruggedly built with tough PVC. You'll get great service from this float valve for a long time. From Cz Garden Supply. JUST RIGHT FOR PONDS, AQUARIUMS, CHICKENS, or REVERSE OSMOSIS SYSTEM. Keeps the water level right where it should be in your pond or aquarium. No more worries about a mechanism that gets stuck or corroded and overflows or fails to fill. Includes an adjustable arm to dial in the perfect water level in ponds, swimming pools, etc. BONUS  QUICK CONNECT FITTING lets you attach to 1/4" supply tube. You can start using immediately without a trip to the hardware store for an additional fitting. Has a 1/2" NPT Male connection with a standard washer to eliminate leaks. DO NOT OVERTIGHTEN PERFECT FOR HYDROPONICS TANK RESERVOIR. Now you can get maximum growth and yield with the reliability and precision of this excellent Mini Float Valve. It's been engineered for trouble free operation so you can set it and forget it. 100% MONEY BACK GUARANTEE ensures this will quickly become your favorite no-risk purchase. Many people are buying several of these to outfit their entire operation.