This is the product description text that will appear here.
Quantity
1
Description
With Osborne Hand Ventilator Setter #621 setting vents becomes and easy two step process. Just select the size based on the size ventilators you want to set. The 621-3/4 sets 3/4" ventilators, the 621-1 sets 1" ventialtors.
Step one: Punch ...