Direct Vent Wall Pass Through SACK If not properly cleaned

If not properly cleaned

non-woven geotextile made from polypropylene also allows for any gases to escape properly

or overlay application using concrete pavers and slabs or natural and wet cast stones

while the UV feature eliminates single-celled algae that cause green water

Direct Vent Wall Pass Through SACK If not properly cleanedThis direct vent wall pass through thimble is made by Harman and is listed as a compatible venting component for Harman pellet stoves and inserts when using Simpson Pellet Vent Pro pellet venting. More Information: The exhaust opening will accommodate both 3" and 4" vent diameters and a 3" outside air flex hose. The term "direct vent" means that this thimble supports exhaust venting AND an outside air connection all in one Supports the outside air