Replacement ECD Fused Silica Liner Back to: ECD/FID Dual-Purpose Make-Up Gas Kit ECD/FID Replacement Fitting Kit with Flow Manifold Connection Product Code: 21301 Make-up Gas Fitting For Agilent ECD/FID (Direct Agilent Replacement) Price £251.00 Description Kit includes: replacement fitting, 1/4″ nut, Vespel®/graphite ferrule, 1/16″ nut, 0.4 mm ID graphite ferrule, Siltek®-treated guide.