| Shipping | Tax | Terms Shopping Cart 0 Items Request for Quote 0 Items All Categories > Pneumatic Accessories > CEJN eSafe™ Series 320 Standard High Flow Safety Couplings > Advanced Search Advanced Search in CEJN eSafe™ Series 320 Standard High Flow Safety Couplings Enter at least one criteria to search items. Type Coupling Nipple Connection Size (in) 1/4 3/8 Maintain Your Air Compressor Learn more about maintaining your air compressor by downloading our eBook on air compressor maintenance. Download eBook