Sweetfilter is an activated charcoal filter that goes on the sewer vent pipe on your roof.

Sweetfilter is built with the same materials as your vent pipes, with no metal parts to corrode.

Zeocarbon hydrophobic media prevents entry of water, aerosolized pathogens, and VOCs into your environment

Three month, 100% Money Back Warranty. Reduces Greenhouse Emissions!

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First, all drain and sewage waste from your house flows into the sewer or septic tank.

Secondly, as wastewater flows into any drain, foul, corrosive, toxic gas laden, air is displaced and must be vented (H2S..hyrdogen sulfide and methyl mercaptans), or the water will not go down the drain. Many homes (especially mass produced houses) have been designed to minimize plumbing costs. One major efficiency is the use of branch venting for fixtures in close proximity. Although less expensive initially, it makes sewer odors far more common.
Homes with second stories and/or basements have several arrangements not usually found in single story and slab homes.