The MistKing Value Nozzle Screen Top Wedge is made out of black acrylic. Precision cut to perfect 90 degree angle, the MistKing Value Nozzle Screen Top Wedge is ideal for mounting adjustable nozzles in screen vivarium tops (ie. chameleon enclosures). The MistKing Value Nozzle Screen Top Wedge is protected by a peel-able adhesive label. 4 mounting holes are drilled on the sides and one hole drilled in the middle for the misting assembly. The MistKing Value Nozzle Screen Top Wedge is available for premium and value misting assemblies. To install, first mount the wedge onto the frame of the enclosure, then poke hole through the screen and feed the misting assembly through the screen top wedge. Tighten and connect to 1/4" MistKing tubing. The MistKing Value Nozzle Screen Top Wedge makes misting system installation in screen cages a breeze. For use with MistKing Automatic Misting Systems.