WIKA 111.10 - 4255900 direct pressure gauge from WIKA operates in a pressure range -14.5-0 psi. The unfilled Bourdon tube vacuum gauge has a plastic housing. The pressure gauge 111.10 - 4255900 has a nominal size of 4 in.. It stands out by its reliability and economic efficiency. The pressure gauge 111.10 - 4255900 with 1/4" NPT male connection (lower mount) is perfect for gaseous or liquid media that are not highly viscous or crystallising, such as in pneumatic and hydraulic applications or heating and air-conditioning systems.