Light Trap Fan Cover for Greenhouse Black Out Facilities
- Provides excellent light deprivation on ventilation fans and air intake vents
- Units provide a 1,900,000:1 light reduction ratio through the vanes
- Air pressure drop through the plastic vanes is minimal
- Sturdy 16 gauge pre-galvanized steel box frame, with removable front retainer plate for service
- Frame designed to mount onto existing and new ventilation fans of any size
- Can be manufactured to fit fan enclosures or intake vents of any size
- Standard sizes readily available and custom sizing is in one inch width increments, and up to 10’ tall
- Standard box frame is 12”deep
- The black plastic light blocking vane inserts, can be easily removed for scheduled cleaning
