مجموعة صمامات احادية الاتجاه مانعة للتدفق العكسي للصرف مصنوعة من السيليكون وقابلة للتعديل مناسبة للانابيب في الحمام والمرحاض والمطبخ مكونة من 4 قطع من ييكو، ازرق

How to install it?
Installation is very simple. Plug and play.

Where can it be installed?
It can be installed in floor drains or sewer pipes. For example: shower drain, basement drain, bathroom sink, kitchen sink, bathtub drain, laundry floor drain or sewer pipe, etc.

Can it be installed in a 1.75-inch diameter ABS pipe?
Of course. It is suitable for standard 1 1/2” to 1 3/4 pipe.

Is it possible to fall into the sewer?
It comes with a plastic enlarge adapter and a plastic retainer ring. If there is a gap after installation, you can also use Teflon tape to fix it in place. So please don't worry, there will be no risk of falling.

Installation Guide:
1. Please measure precisely the internal diameter of drain opening, in case any inconvenience brought by unmatched size.
2. Because the stickiness and softness feature of silicone, make sure support apart the open of drain grate with your hands in the first installation for the smooth draining.

Package Contains:
4 x Silicone Drain Backflow Preventer
4 x Enlarge Rings
4 x Retainer Rings