The Quick Connect Breather "T" attaches to the 1/2" Nylon Drain* line that drains from the Envirolet Composting Toilet System to a holding tank or approved leaching pit. It improves draining by preventing an "air lock." * Prior to 2006 the drain and drain line was 3/8". Availability: Usually ships in 2-3 business days. SAN-042 Size: 1/2 Inch (After 2006)3/8 Inch (Before 2006) Follow @envirolet Home | Catalogue: Paper Version or Download | Envirolet® Toilets | Parts | Draining Info | Envirolet® Reviews & Testimonials info@sancorindustries.com | Canada 1-800-387-5245 | Toronto 416-299-4818 | envirolet.ca Other sites: Envirolet® Buzz • Greenthinkers Copyright © 2011, Sancor Industries Ltd. All rights reserved. Envirolet®, envirolet.com® and envirolet.ca® are registered trademarks of Sancor Industries Ltd. Sancor™, Envirolet® VF™, VF™, Envirolet® Buzz™, EnviroletCare™, Automatic Six-Way Aeration™ and Works-in-a-Drawer™ are trademarks of Sancor Industries Ltd. Site Map • Order Terms