Active Air CO2 Test Kit fluorescent-lighting the MERV 11 air filter

the MERV 11 air filter should be replaced every 6 months

Precision manufactured brass burners

The Heavy Duty 40 Amp 208/277 Volt Timer has the highest horsepower ratings in the industry for loads up to 40 amps resistive from 208/277 volts providing direct 24 hour time switch control

• Optional cooling kit (PHR3150CKT) available (includes a lens system and two 6" flanges)

Active Air CO2 Test Kit fluorescent-lighting the MERV 11 air filterWe recommend measuring CO2 periodically to ensure optimum levels for growth. The Active Air CO2 Test Kit is an inexpensive alternative to costly electronic monitors. Use the tester kit to gauge proper CO2 level, as well as eliminate waste and optimize growth. The kit is inexpensive and easy to use, and includes instructions.