Bargain Cave: Nano LidsA standard for the pros is being able to Clean in Place. So we made an option available for homebrewers as well! A first in the field, this stainless steel lid has a port for a CIP ball so your cleanup is easier and more efficient. Recommended for all our Tanks and bottom drain system. The CIP Lid will also work for all OG kettles as well! Specs: Lid 1. 5" Tri clamp Port Handle 304 Stainless Steel