Brwehaus' funnel holder is for a 40mm tube and is made with food grade silicon. The funnel holder seals between your chemical tolerant funnel and filter unit to allow liquid to remain in the funnel, without seeping out between the connection.
Brwehaus' funnel holder is for a 40mm tube and is made with food grade silicon. The funnel holder seals between your chemical tolerant funnel and filter unit to allow liquid to remain in the funnel, without seeping out between the connection.
10 years still works.