Sydien 2Packs Silicone Drain Backflow Preventers Floor Drain Trap 1 Way Valve for Pipes Tubes in Toilet Bathroom 4045mm Hole65mm Depth

Main FeaturesDURABLE MATERIAL: The drain backflow preventer is made of premium durable silicone material.
UNIQUE DESIGN: The floor drain is designed in V-cup shape, which ensures smooth draining and quicker water flowrate. Unique S-shape automatic closing design can strongly prevent backflow.
PRACTICAL FUNCTIONS: The floor drain filter with the automatic closing design, Prevent the drain water from backing up to the room; Anti- water leakage and overflow.
WIDELY USE: This item can be used with floor drain of the shower room and basement. Floor drain seal with closing mouth can be used in floor drain universal for most of families. Necessary for every family.

Installation guide:
1. Please measure precisely the internal diameter of the drain mouth, in case any inconvenience brought by unmatched size
2. Measure the depth of the tube
3.Measure the depth of the tube.
4.Install the floor drain one way valve.
3. Because of the stickiness and softness features of silicone, make sure support apart the mouth of drain grate with your hands in the first installation for the smooth draining.

Product Specifications
Product Name: Drain Backflow Preventer.
Material: Silicone for drain backflow preventer & Stainless Steel for Strainer & Retaining Ring.
Fits for holes with diameter of 40-45mm and depth of 65mm.
Color: Blue.
Package Content:
2 Pcs Silicone Drain Backflow Preventer
2 Pcs Stainless Steel Strainer
2 Pcs Stainless Steel Retaining Ring.

Please measure precisely the internal diameter of the drain mouth, in case any inconvenience brought by unmatched size.

If you have any problems, we are very willing to solve the problems for you.♥