https://supplies.gmi-inc.com/product/etfe-ferrules-for-peek-finger-tight-fittings-for-1-8-od-tubing-10-pk/
ETFE Ferrules for PEEK Finger-Tight Fittings for 1/8" OD Tubing, 10-pk. - GMICore
https://uvison.com/chromatography-supplies/vici-jour/vici-jour-high-pressure-polymeric-fittings/vici-jour-high-pressure-one-piece-fittings/vici-jour-peek-no-twist-one-piece-fittings-medium-hex-head-with-ctfe-ferrule-5-pkg-jr-mznf1kf-5
VICI Jour PEEK No Twist One-piece Fittings, Medium Hex-head with CTFE Ferrule, 5/pkg - JR-MZNF1KF-5...
UVISON.com VICI Jour PEEK No Twist One-piece Fittings, Medium Hex-head with CTFE Ferrule, 5/pkg - JR-MZNF1KF-5 - HIGH PRESSURE POLYMERIC FITTINGSPEEK No Twist...