Flexon 100’ Contractor Grade Hose – Costco Sale! by Rhonda April 7, 2024 3/30/16. © Frugal Hotspot *SALE UPDATE* 4/1/24. The Flexon 100’ Flextreme Contractor Grade Hose from Costco is a heavy-duty hose designed to be kink-free, when uncoiled from the male hose … 0 FacebookTwitterPinterestEmail