Kit de manómetro colector digital Testo 557 manómetro de refrigeración + 2 sondas de abrazadera =
The Testo 557 digital manifold has a 4-way valve block, a large backlit display, and a sight glass. Testo 557 Digital Manifold Kit. Testo 55 7 0563 1557. 1 Testo 557 Digital Manifold Gauge. Overload relative pressure.