说明

• Transparent valve physique design; entirely clean valve body, observe operation condition to usual use. Double-leaf duplicate design, upgrade clumsy single page design, two-page open fast, smoke-efficient. Anti-oil sticky, no leakage of smoke; silicone gasket, the use of soft washers, solid sealing effect, forestall the heady scent of smoke. Spring design; Check valve with spring, prolonged use, no deformation energy lasting, to nice sealing performance. Product Name: Pipe check valve Specifications: C: Double-sided smoke pipe Colour: white Material: plastic Package Contents: 1 * Pipe test valve Only the above kit content, other item aren't included. Note: Light and various exhibits could cause the color of the item in the photo a bit of diversified from the real thing. The dimension allowed error is +/- 1-3cm.

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审核