One-Way Drain Valve Sewer Core


Isolate drain pipe odors & prevent roach infestation into your shower, kitchen, and toilet with 1 simple installation.

One-Way Drain Valve Sewer Core!

Our floor drain trap seal core is your new choice for drain trouble. It is an easy installation, with no alteration needed for your existing drain. Let you stay away from bad smells.  Just perfect for all drain types!

Automatic Open-Close Design!

Patented maglev drainage, ensuring smooth draining and faster water flow. An automatic closing design can strongly prevent backflow. Practical drain backflow preventer! 

No More Smelly Odor & Wastewater Backflow!

One-Way Drain Valve Sewer Core helps to block the gases from drains or kitchen reverse osmosis and returns home with fresh air. A good choice for the children, and your family. It also blocks bugs and roaches from crawling up through your floor drains!

Easy & Convenient To Use!

Insert the floor drain core into the sewer in seconds. Install, plug, and use without removing the bricks! When the filter element needs to be clean, it can take it out from the sewer by the handle directly.

Wide Range Of Application!

Floor drain seal with the closing mouth can be used in the floor drain. So it is necessary to install drain seals in the bathroom, kitchen, toilet, shower room, basement, garage, laundry room.

Avoid expensive drain maintenance costs! Keep your home sweet-smelling & bug-free NOW!


Material: PP+silicone

Size: 6.5cm*5.5cm (Diameter x Length)

Package Inclusion/s: Choose Your Bundle...

  • Buy 1 Only - Get 1 PC One-Way Drain Valve Sewer Core

  • Buy 2 - 2 PCS One-Way Drain Valve Sewer Core

  • Buy 3  - 3 PCS One-Way Drain Valve Sewer Core


    We truly believe we make some of the most innovative products in the world, and we want to make sure we back that up with a risk-free ironclad 45-day guarantee.

    If you don't have a positive experience for ANY reason, we will do WHATEVER it takes to make sure you are 100% satisfied with your purchase.

    Buying items online can be a daunting task, so we want you to realize that there is absolutely ZERO risk in buying something and trying it out. If you don't like it, no hard feelings we'll make it right.

    We have 24/7/365 Ticket and Email Support. Please contact us if you need assistance.

    Remember: Shipping usually takes 2-3 weeks - read our Shipping for more details!

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