Square ceiling extension collar for 3" Apollo housings. Threaded collar replaces the existing collar installed on housing. Can be used with ceilings 0.5" to 0.875" thick
Compatible Housings:
NHAP-3S: 3" Apollo Square Non-IC Housing with Field Changeable Optics, 2500lm-3000lm
NHAPIC-3S: 3" Apollo Square IC Housing with Field Changeable Optics, 1000lm-2000lm
NHAPNIC-3S: 3" Apollo Square IC Housing with Fixed Spot Optics, 1000lm-1500lm