Vent Valves Were Designed As Replacement For Vent Pipe Used To Ventilate Drainage Systems. Reduces The Expense Of The Vent Pipe And Roof Flashing. The One-Way Valve Acts As A Vacuum Relief Valve By Letting Air In. Internal Or External Use. The Two-Way Valve Lets Air In And Out. External Use Only.
The 1Kg Mutton Cloth Is A Versatile And Reliable Cleaning And Polishing Cloth That Meets Various Cleaning Needs With Ease. Made From Hight Quality Mat..