Amazon.com: 1/4 Inch Flare White Washer - 25 pack: Home & Kitchen
Nylon Flare Washer 1ct | Bader Beer & Wine Supply
Amazon.com: Shutoff with Check Valve - 1/4 Inch MPT and 1/4 Inch MFL - Includes One 1/4 Inch Barb, One 5/16 Inch Barb, One Swivel Nut & One Flared White Washer: Home & Kitchen