Top Double Check Valves

Watts Premier WP560039 Pure UF-3 Ultra Filtration Replacement Water Filter Kit, 5 Count (Pack of 1), Multi

  • Replacement filters for the Pure UF-3 system sediment pre-filter reduces dirt, silt and rust.
  • the carbon pre-filter reduces chlorine taste.
  • the UF membrane reduces unwanted chemicals and the VOC Carbon Block Filter reduces lead and chemicals like MTBE's, atrazine, and benzene.
  • Kit includes two Sediment Filters, two Carbon Block Filters, and one Hollow-Fiber Membrane.
  • This space-saving, compact design allows this system to fit comfortably under your sink, requires fewer tube connections, includes back-flow prevention valves installed between the elements and cartridges have double O-rings so they won't leak.
  • The easy, quick-change push release filter system allows for easy filter change with no need to shut off the water source, is installed with check valves in the filter lid between cartridges to prevent back-flow and shut off valves in each filter head that shuts off the water flow when cartridges are removed.
  • Maximum operating pressure is 80 psi and to maintain top performance replace sediment and carbon block filters every 6 months, UF membrane filter every 12 months.
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AQUANEAT Aquarium Airline Tubing, Standard 3/16\ Tubing, Air Pump Accessories,with Air Stones, Air Pump Valves, Suction Cups and Connectors (Clear, 14Feet)

  • Package Includes：14feet clear tubing,2pcs 1" air stones,2pcs check valves,2pcs clear T connectors,6pcs clear suction cups.
  • Airline tubing: standard 3/16" diameter common to most airline accessories.
  • Air stones: durable and can produce fine bubbles continuously to diffuse oxygen efficiently in your fish tank.
  • Check valves: place these air pump check valves in your airline tubing between your air pump and aquarium water to prevent water returning down the air line.
  • Suction cups and T connectors: fit 3/16 inch ID standard airline tubing.
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Sevylor 2000014817 Pump 12Vdc 1Psi

  • Water-resistant for safe use near pools, lakes and beaches.
  • Inflate boats, towables and floats from a vehicle or boat.
  • Designed to fit Sevylor Double Lock Valves.
  • Added adaptors fit Sevylor Mini Double Lock Valves, Boston valves and pinch valves.
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AQUANEAT Aquarium Check Valve One Way Non Return Valve for Aquarium Air Pump,10pcs Red

  • Specially designed non-return valves will protect your air pump by preventing aquarium water from back siphoning during a power outage.
  • They are made of plastic material for long time use.
  • Place these air pump check valves in your airline tubing between your air pump and aquarium water to prevent water returning down the air line.
  • Fits standard aquarium airline tubing with inner diameter about 4mm.
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Sierra 18-8005EP-1 Primer Bulb Assembly

  • Double check valves with viton balls and stainless steel springs.
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Pawfly 4 PCS Air Stone Bar 4 Inch Bubble Release Mineral Blue Airstones for Fish Tank Aquarium Pump

  • Specially designed non-return valves will protect your air pump by preventing aquarium water from back siphoning during a power outage.
  • They are made of plastic material for long time use.
  • Place these air pump check valves in your airline tubing between your air pump and aquarium water to prevent water returning down the air line.
  • Fits standard aquarium airline tubing with inner diameter about 4mm.
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Pawfly 25 Feet Black Airline Tubing Standard Aquarium Air Pump Accessories Set with Suction Cups Connectors and Check Valves

  • All in One Package: No Worry about Mismatching - Complete standard set of 25 feet airline tubing, suction cups, check valves and connectors for most air pump brands..
  • 25 ft. Airline Tubing: Desired length for most fish tank. The standard 3/16 inch ID black PVC airline tubing is flexible, durable, glossy and kink-resistant..
  • 8 Suction Cups: Soft black plastic holders fit standard 3/16" ID hose and can stick tightly to the smooth fish tank. Each sucker comes with one clip for adjusting tubing..
  • 8 Connectors: Include 2 straight, L-shape, Y-shape and T-shape connectors respectively, allowing you to connect two or more 3/16" ID hoses to create one or more outlets..
  • 2 Check Valves: The 2 standard red check valves can effectively prevent water from back siphoning during a power outage..
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DAN SPEED S316 Stainless Steel Vertical Check Valve,Spring Loaded In-line Low Cracking Pressure 2 inch

  • Body Material:Stainless Steel SUS/SS316,Cracking Pressure:4.5 psi.
  • Working Temperature:-51°C to 232°C (-60°F to 450°F),Seals:NBR.
  • Max Pressure:1000 Psi For Water,Oil,Gas (WOG1000),Port Types:BSPP Female x BSPP Female.
  • Vertical check valves may be used for any application. They utilize a spring system which shuts the Disc closed when there is not enough pressure to hold it open by the operating fluid. Fluid pressure in the backwards direction will cause the valve to close to prevent backflow.
  • Check valves are used to help direct flow in one direction.The stainless steel bodies and PTFE seals are highly corrosion resistant allowing these check valves to be used with a wide variety of fluids including, but not limited to water, oil, gas, air, light alkali's, acids, biodiesel, fuels and alcohols.
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Evike All Purpose Silicone Lubricant Oil Spray for Airsoft Firearm - 50ml Small Hand Sized Can - 44040

  • Application: For General Airsoft Maintenance and lubrication for Gears, Seals, O-Rings, Plastic Parts, and more.
  • For ALL Airsoft guns and real-steel hand guns.
  • Prevent Jamming and reduce wear and tear and enables smooth operation.
  • Enhance your gun's performance, longevity, accuracy, and bb feeding.
  • Inflate air seal o-rings on valves with dried o-ring. Check for defective o-ring....
  • For AEG & GBB: Spray into magazine bb chamber periodically to prevent dust build-up == For Valves: Spray into gas-in and gas-out valves to check for....
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Pawfly 13 Feet Airline Tubing Standard Aquarium Air Pump Accessories with Air Stones, Check Valves, Suction Cups and Connectors

  • All In One Package: No Worry About Mismatching - Complete air pump accessories of airline tubing, air stones, connectors, suction cups and check valves for basic aquarium aeration setup..
  • 13 Ft. Airline Tubing: Standard 3/16" ID airline tubing. Made of reliable frosty clear plastic, the hose is flexible, durable and kink-resistant. Desired length for most fish tanks..
  • 2 Air Stone Cylinders: 0.8" D x 1.2" H. Small size to be easily driven by even nano air pumps. Produce lots of medium bubbles to aerate your tanks and enliven the aquatic lives..
  • 4 Connectors: Include 2 straight and 2 T-shape connectors to connect standard 3/16" ID tubing. Allow you to connect one or more air inlets to create one or more outlets..
  • 6 Suckers & 2 Check Valves: Soft clear plastic holders fit 3/16" ID hoses and can stick tightly to the smooth tank. The check valves can effectively prevent back siphoning of water..
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Pawfly 2-Way Aquarium Air Flow Control Lever Valve Distributor Splitter Accessories Set with 1 Check Valve, T & Straight Connector and 4 Suction Cups for Fish Tank

  • All in One Package: No Worry About Mismatching - Complete air pump accessories of air stones, connectors, suction cups and check valves for basic aquarium aeration setup..
  • 2 Air Stone Discs: 1.5" D x 0.7" T. Small size to be easily driven by even nano air pumps. Produce lots of medium bubbles to aerate your tanks and enliven the aquatics..
  • 4 Connectors: Include 2 straight and 2 T-shape connectors to connect standard 3/16" ID tubing. Allow you to connect one or more air inlets to create one or more outlets..
  • 6 Suction Cups: Soft clear plastic holders fit standard 3/16" ID hoses and can stick tightly to the smooth fish tank. Each sucker comes with one clip for adjusting tubing..
  • 2 Check Valves: Made of durable clear plastic, the air check valves can protect your air pumps by preventing aquarium water from back siphoning during a power outage..
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American Standard TU075508.295 Colony Pro Tub and Shower Trim Kit with Cartridge, 1.75 GPM, Brushed Nickel

  • Includes One-Piece Cartridge: Simplifies installation and maintenance..
  • Double Ceramic Pressure Balance Cartridge: Combination of Ceramic Disc Mixing Valve and a Ceramic Balancing Spool in a one-piece cartridge..
  • Ceramic Disc Mixing Valve: Assures a lifetime of drip-free performance and smooth handle operation..
  • Ceramic Balancing Spool: Maintains a constant output temperature in response to changes in relative hot and cold supply pressure. Ceramic material is unaffected by mineral deposits and harsh water conditions..
  • Integrated Check Valves: Engineered to eliminate cross flow..
  • Adjustable Hot Limit Safety Stop: Limits the amount of hot water allowed to mix with cold. Reduces the risk of accidental scalding..
  • Comfort Zone: Offers a wider shower range to fine tune the desired temperature within the useful temperature zone..
  • Back-to-Back Capability: Hot and cold can be reversed quickly and easily..
  • For Use with Flash Shower Rough-In Valves.
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