Sweet Air 3 & 4 Inch Vent Filter, Model VS-TT - Stops Odors Immediately

Description

The Original Sweet Air Vent Stack Filter
If your vent stack has foul odors the Sweet Air Filter will solve your problem, guaranteed.
Stop foul odors from invading your backyards and open windows. This     is your answer to eliminate septic odors. The activated carbon will filter     foul air which flows through house vents each time a sink, shower, dishwasher,     or bathtub is drained, or when a toilet is flushed.
Don't be fooled by imitators - these are inexpensive and can be easily     installed on existing vents. Designed for use on 3" or 4" sch40 vent pipe,     can easily be adapted for use with smaller diameter vent pipes with inexpensive     reducing fittings from your local hardware store. The activated carbon     will last several years, actual life of the pellets will vary based on     the applications.
Features:
Easy to install
Twist top for easy maintenance
Cost effective
Solvent weld connection
Fits existing 3" or 4" sch40 piping
No more offensive odors
No more spoiled patio parties
No more foul air drifting into open windows
**When measuring your pipe size be sure to measure the inside diameter     (I.D.) of the pipe.