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Floor Drain Backflow Preventer

40-46diameter 1
  • No More Bad Smell From Bathroom. There is nothing worse than a drain backflow.
  • Cleaning and repairing the damage caused by sewer water can be very costly.
  • Our Floor Drain Backflow Preventer is just a perfect solution for you. It is an easy installation, with no alteration to existing outlets. Let you stay away from bad smells.
  • The floor drain filter is designed to V cup shape, 50% smoother draining, automatically close after drain to prevent unhealthy things come from the sewer. Besides, This item is widely compatible which can be used with floor drain of the shower room and basement, effectively block backflow and odor in the sewer.
  •  It has 4 different sizes that fit most of the floor drain in the market. Features 50% Smoother Draining Performance: Make full use of gravity theory and silicone specialty, the floor drain filter is designed to V cup shape, ensuring the smooth draining, automatically close after drain.
  • 100% Stop Drain Backflow: Design with Automatically Open-Close, used as drain strainer to catch hair and debris. Prevent Sewage Gas and unhealthy thing backing up to keep your bathroom clean and away from bad smell.
  • Well Built Quality, Heat Resistance: Made of good quality silicone, totally environmental-friendly material; No smell; Protecting your family health; No worry about deformation after stretching, super flexible; Ever-lasting and durable.
  • Widely Application Range: As sewer is connected with the underground septic tank, sewage, or other air may enter the room from smelly drain. Floor drain seal with a closing mouth can be used in floor drain universal for most of the families. 
  • Size: 50*95mm/50*55mm/45*95mm/38*95mm;
  • Color: Blue;
  • Material: Silicone;


1. The floor drain filter adopts an automatic closing design to effectively block bacteria and insects.

2.Double-curved seal, deodorant, thermoplastic die-casting, permanent setting, and odor-resistant drainage.

3.No smell and no toxic, No worry about deformation after stretching.

Note: Please be sure to measure the size of your own drain before buying.

Applicable: Widely used for Pipes Tubes in Toilet, Bathroom, Kitchen, Floor and more

Package included: 1 pcs floor drain device