TurboFog MH-45 Smoke Blower Manhole Kit, Sewer Smoke Testing EquipmentM 45 Manhole Kit The Original Turbo Fog Liquid Smoke Generator does it all. Add the M 45 Manhole Kit to the versatile M 45 Thermal Smoke Generator and trace lines, detect leaks, illicit connections, odors, and more in sewer and plumbing lines. Accessory to fit the M 45 Smoke Blower (sold separately) 30 inch manhole plate, made from 11 gauge steel laser cut then powder coated for precision and durability. A foam cell bottom gasket is applied to create