Ham-let hp20-4vkhl-gf4-hf hp-20 MSRP: Now: $278.89 Was: Model Number: 764 L; Package Qty: 2; A: 18 mm; Material: Brass; Comparable To; Swagelok P/N: B-18M0-3; Parker P/N: ETM18-B< HP20-4VKHL-GF4-HF