Products / Water-Tite 3N1 and 3N4 Flexible Plastic Base Roof Flashing

A 100 percent flexible multi-size vent pipe flashing from IPS Corporation's Water-Tite brand in two models: the FB31 (item 81705, 10 x 13-1/4 in. base for 1-1/4 to 3 in. pipe) and the FB34 (item 81707, 12 x 14-3/4 in. base for 3 to 4 in. pipe). The product page lists testing for ultraviolet, ozone and weather resistance and approval for type B installations.