Schulz of America 1 1 2" NPT FS 0470 (Grade) 470 CFM @ 100 PSI STD Carbon Coalescent Filter Vanguard 479cc 21C 0922 Hoods with HE 16G806 21C 0922 Hoods with HE Filter23C 2765 Hoods with OVAGHE Filter23C 3097 Hoods with Combination FilterAll of these components must be present and properly assembled to constitute a NIOSH approved respirator The 311 HEA tip will spray oil based paints and stains with 55% less overspray Compressed Air Maximum Temperature = 158 °F Ambient Maximum Temperature = 113 °F Minimum Operating Temperature = 33 8 °F Filtering Element Material = Borosilicate and Activated Carbon Housing Material = Aluminum Viton O Rings