Radio Frequency Lenses-From:16in - 23.75in wide x 40in - 47.75 long

The RF panels are designed to shield RFI (Radio Frequency Interference). Available in acrylic prismatic Pattern 12. The smooth back side of the lens contains a 3/8" square grid of silver content to reduce radio Frequency radiation from the lamps to comply with Military Standard 61A/462/463. A grounding strip is connected to the grid along two sides of the panel. Minimum luminaire efficiency shall be 60%. Sizes from 16" thru 23-3/4" wide and 40"-47-3/4" long.