Product Description Specifications The Hose Coupling Dust Cap is designed to prevent dust ingress into ARB US Industrial Standard (ISO 6150 B) female fittings with a rubber heat grip. Compatible with fittings 0740111 and 0740112 (not included). Category: Suspension>Air Compressors LTL: N MPN: 0740113 Proposition 65: N Special Order: N Core: N