Technibond 2MPS-38-30-02 Spiral Bonded Pneumatic Tubing, 3/8" OD, 1/4" ID, 9.8' Working Length, Two Bore, Polyurethane, Light Blue and Clear: Amazon.com: Industrial & Scientific
TT-38-30-NB-RS (3/8" x 30' (24' Work) Technithane™ , Navy Blue) - Advanced Technology Products
38-318 | Hose Mender for 3/8" Air Brake Hose: DiscountHydraulicHose.com
Homewerks Worldwide 3/8-in Compression 30-in Braided Stainless Steel Flexible Faucet Supply Line in the Toilet & Faucet Supply Lines department at Lowes.com