3/8" x 25FT PVC Air Hose PVC Compressor Flexible Hose 300 PSI 1/4" NPT | eBay
Amazon.com: 32-Inch Long Flexible Bathroom Kitchen Toilet Hose Braided Stainless Steel Supply Lines 3/8-Inch Female Compression Thread x M10 Male Connector Lead-Free US Standard x 2 Pcs (1 Pair), by Greenspring :