This is a very clean hose with no bad taste or smell, which is easy to flex and contains a good sized washer.  Because the female end is plastic and I wanted to make a positive seal without excessive torque, I decided to use&nbsp;<a data-hook="product-link-linked" class="a-link-normal" href="/Dow-111-Food-Grade-Oring-Sealant/dp/B00X7JXM4C/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">Dow 111 Food Grade Oring Sealant</a>.