Fluidmaster Universal x 3/8-in Ballcock Thread x 12-in Braided Stainless Steel Flexible Toilet Supply Line in the Toilet & Faucet Supply Lines department at Lowes.com
Replacement Part Adapter Flexible Wc Leakproof Plumbing Pan Connector Waste Hose Drain Abs Universal Repair Tool For Toilet - Toilets - AliExpress
Flexible Toilet WC Waste Flexi Pan Connector FOR STANDARD 4" PIPE , | eBay