Clean While You Sample with Purge Squeegee Kit for Tank Coliwasa
Convenient Coliwasa Purge-Squeegee Kit has a unique inside-outside squeegee attachment that cleans tubes while making extractions. Use with the 1"-dia. Tank Coliwasa (No. 23649), sold separately.
When needed, replenish with Squeegee Refill Pack, No. 29833, sold separately.