Thermal IR Blocker 4 ft x 50 ft Double Ended Ballasts 525 µmol/s PPF
Baker’s notes & crumb story
Description
Thermal IR Blocker 4 ft x 50 ft Double Ended Ballasts 525 µmol s PPF 525 µmol s PPF The R5 insulated dampers seal tight when the fan is off to keep conditioned air from leaking