New

4 inch White Plastic In-Line Draft Blocker – Item #1775L

Our products are Made in the USA

The Lambro white plastic in-line draft blocker is ideal for preventing outside air from entering into the home. This accessory can be installed in-line with the duct to the outside vent for clothes dryer exhaust, bath fan exhaust and other general venting applications. When the exhaust airflow is not active, the draft blocker prevents outside air from entering back through the exhaust unit.

  • Opening / closing flap prevents outside from entering back through the duct
  • Draft blocker is labeled for correct position when installing
  • Installation clamps sold separately

Package Contains:
(1) 4 inch white plastic in-line draft blocker

The Lambro white plastic in-line draft blocker is ideal for preventing outside air from entering into the home. This accessory can be installed in-line with the duct to the outside vent for clothes dryer exhaust, bath fan exhaust and other general venting applications. When the exhaust airflow is not active, the draft blocker prevents outside air from entering back through the exhaust unit.

  • Opening / closing flap prevents outside from entering back through the duct
  • Draft blocker is labeled for correct position when installing
  • Installation clamps sold separately

Package Contains:
(1) 4 inch white plastic in-line draft blocker

Item Number:
1775L
Pack Quantity:
10
Package Size:
19 7/8 x 5 1/2 x 10 1/2
Package Type:
Bulk Pack
Package Weight:
1.90
UPC:
0 3989901775 2


Diameter

4"

Type

Accessory