US$ 130.00
BZP finish
The lower TPI count of 4 teeth per inch will result in a rougher cut which is suited to framing carpentry and non-visible woodwork
Can be used for roof ventilation at high or low level
Designed to provide a neat
Square cover to suit 300 mm Clark Drain access chamber
Push Fit Air Admittance Valve Arch Boards BZP finishSometimes known as a 'Dirgo' this is usually used at the terminal of a soil stack For internal use only, this allows for the ventilation of a pipe run (to relieve negative pressure) without letting odours escape
US$ 130.00
US$ 175.00