DESICCANT BREATHER FILTER AIR FILTER Air Sentry XR-521 Air Sentry XR-522

DC-BB DC-1 DC-2 DC-3 DC-4 silicone gel breather Wind turbine reducer air filterPart Code Miniature or
Standard Inch / mm Inch / mm Inch / mm
DC-VG-BB Miniature 3.9 / 98 3.4 / 87 2.5 / 64
DC-VG-1 Miniature 5.4 / 136 4.9 / 125 2.5 / 64
DC-VG-2 Standard 6.0 / 152 5.3 / 135 4.1 / 104
DC-VG-3 Standard 8.0 / 203 7.3 / 186 4.1 / 104
DC-VG-4 Standard 10.0 / 254 9.3 / 237 4.1 / 104

Thread Size
MINIATURE 3/8″ Multi-Fit Male Thread with O-Ring Seal, Compatible with:
3/8″ NPT; 3/8″ BSPT; 3/8″ BSPP
STANDARD 1″ Multi-Fit Male Thread with O-Ring Seal, Compatible with:
1″ NPT; 1″ NPSM; 1″ BSPT; 1″ BSPP