The reflector is preferably for 7/8 inch diameter tubes and has {HEAD ~ a film thickness} of {TAIL ~ about 0.8 mils} 
of
The reflector is preferably for 7/8 inch diameter tubes and has { HEAD ~ a film thickness } of { TAIL ~ about 0.8 mils }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL