Dracast DRFH2000 LED2000 Filter FrameDracast DRFH2000 LED2000 Filter Frame The Dracast LED2000 Filter Frame allows the use of Dracast or other brand diffusion, CTO, CTB or effects filters with the fixture. Constructed of lightweight aluminum, the frame drops into the fixtures accessory channel. It has a frame lock to prevent filter slippage. Key Features For Drop in Diffusion, CTO, CTB Filters All Aluminum Construction Lightweight Drop in Frame Frame Locks Prevent Slipping