All products are in ABS Plastic , corrosion resistant covers. One of the industries finest warranties. All products fuse protected. Made in the USA.

CAP Environmental Controllers

Sort by: Product Price Default C.A.P CO2-2 2 Timer CO2 Controller w/PPM See details The CO2-2 has two timers that are used to add just the right amount of CO2 without the wasteful "... Price: $339.98 C.A.P. AIR-3 Temperature/Humidity/CO2 Control See details The AIR-3 expands our line of atmospheric controllers by providing the ability to coordinate supp... Price: $229.95 C.A.P. PTC2 Photocontroller Light Cycle Switch See details This photocontroller is great when indoor gardeners need equipment turned on only during the day ... Price: $74.95 C.A.P. UPM1 Power Module See details The Universal Power Module is a great investment for the indoor gardener.With two power outlets o... Price: $89.95 C.A.P. "ART-DNE" Cycle Timer - Both Day and Settings See details The TMP-DNe allows you to control the temperature within your growing environment. You can set th... Price: $104.95 C.A.P. AIR- 4 Independent Temperature/Humidity/CO2 Control See details The AIR-4 has independent temperature and humidity controls. It also has an increased power capac... Price: $249.96 C.A.P. Air-3DN Day-Night Temperature & CO2 Controller See details The AIR-3DN provides the ability to coordinate supplemental CO2 with your ventilation equipment. ... Price: $259.95 C.A.P. CO2 Generator Controller w/ PPM Sensor See details This easy-to-use and affordable CO2 controller is a tool that any indoor gardener will appreciate... Price: $499.95 C.A.P. CO2 PPM Monitor - Integratable See details You will love the accuracy and features of the CO2 PPM Monitor. This unit measures the level of C... Price: $499.95 C.A.P. High Power Relay "hard-wired" See details The High Power Relay is a powerful, hard-wired version of the Universal Power Module. Like the Mo... Price: $169.94 C.A.P. HLC-1 High Temperature Shutdown See details The HLC-1e by Custom Automated Products protects your garden from overheating. The HLC-1e constan... Price: $84.95 C.A.P. XGC-1 Extreme Greenhouse Controller See details The XGC-1 is the best all in one controller ever made. It controls all of the main devices requir... Price: $999.99 CAP MLC-4 Lighting Relay See details You can plug the trigger cable into a standard 24 hour timer or lighting controller. The MLC-4 fe... Price: $207.95