**Product Specifications:**
**Brand:** muvi
**Product Name:** Toilet Pipe Check Valve
**Model Number:** ZNF21
**Outer Dimensions:** 131*132mm
**Applicable PVC Pipe Diameter:** 75-110mm
**Exhaust Pipe Diameter:** 8-10cm
**Main Material:** ABS
**Seal Ring Material:** Silicone
**Features:** Quick exhaust, corrosion resistance, automatic closure
**Additional Features:** Pest resistance, easy installation, variable diameter rings
**Valve Type:** Double automatic closing device
**Valve Design:** 19° gravity tilt design
**Seal:** Silicone seal ring for tight and noise-reducing closure
**Material Quality:** High-quality ABS, anti-aging, high temperature resistant
**Compatibility:** Suitable for various household bathrooms
**General Pipe Diameter:** Compatible with 8-10cm exhaust pipes
**Package Includes:** 8cm, 10cm, 11cm diameter rings, smoke valve body
**Product Parameters:** 132mm, 112mm, 99mm, 131mm, 77mm, 132mm
**Note:** Product dimensions are manually measured and may have slight errors, please refer to the actual product for accuracy.
