Monel 400 by Dk-Lok® 1/4" Tube OD x 1/8" NPT Male Pipe STRAIGHT CONNECTOR Alloy
Material Monel 400 Alloy. NPTF, also referred to as "Dryseal" is designed to provide a leak free seal without PTFE (Teflon) tape. NPT fittings always require tape and are interchangeable and compatible with NPTF.