Fischer Mess Regeltechnik - old pn DS21 010W21A2PW00 new pn DS21010W25AKPW00 referenced Differential pressure switch product produced by high technology. If you need other products from Fischer Mess Regeltechnik, please send us an inquiry by e-mail. All of the listed products are with guaranteed origin and high quality. Thanks to our large disturbiton network, we offer door delivery in most suitable conditions. Make an offer to us for old pn DS21 010W21A2PW00 new pn DS21010W25AKPW00 please contact us.