Teklab - TK3-20F6VF referenced Optical Level Control - product produced by high technology. TK3-20F6VF is the result of a far more developed technology compared to similar regular products. It distinguishes with price and quality among the similar products. Thanks to our partner network in and abroad we will provide you with competitive prices and short delivery times for TK3-20F6VF Teklab . TK3-20F6VF referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.