Phat Filter 12 inch x 4 inch, 200 CFM Structure Three calibration points

Three calibration points

*Free of any hydrogen Sulphide based Ethyl Mercaptan Odorants

This technologically advanced tester has a replaceable pH electrode cartridge with an extendable cloth junction as well as an EC/TDS graphite electrode that resists contamination by salts and other substances

Derived from neem tree seed extracts and concentrated through an advanced biosynthesis process

Phat Filter 12 inch x 4 inch, 200 CFM Structure Three calibration pointsThe Phat Filter is a professional grade, world renowned greenhouse filter that will remove the nastiest odors from your growing area. Phat filters use a very special charcoal carbon that comes from a source of pre Cambrian ore, or some of the oldest carbon found on earth. This carbon dates back 250 million years and is the reason our Phat Filters are so effective! The special carbon is mined from deep within the earth, activated with steam at very