The SV4.5LA Telescopic Vent Section has an effective length of from 1-1/2″ (38 mm) to 6-3/4″ (171 mm). The SV4.5LA is fitted with a dimpled end and a plain end with 3 pilot holes. Slip the dimpled end over the locking channel end of a standard SV4.5 vent.
Replacement For Part Number:
- 77l75
