Vomono via Amazon offers the Vomono Bathtub Strainer Hair Catcher for $12.99. Coupon code "J9DEVXNF" cuts the price to $10.39. With free shipping for Prime members, that's $3 off list and the lowest price we could find. It fits tub drains from from 1.35" to 1.75" inner diameter with four sizes of rubber gaskets. Deal ends August 31.