Outbreathing Pressure Vent (1.25”
IPS Threads)
The all new Single- Purpose Vents offer many
advantages for use where ease of cleaning is important
or where additional venting is required. May be
installed singly or in multiples. This vent has been flow
tested and marked in accordance with Nat. Fire
Protection Assn. No. 385 (1964) Par. 2263 and No. 407
(1964) Par. 616

