Welch 1420H-20 NW 25 Acid Neutralization Trap, 12 CFM

Welch 1420H-20 NW 25 acid neutralization trap represents a case with a special cartridge inside, which aims at neutralization of certain acids on their way to a vacuum pump. The given cartridge comprises an alkaline element which allows for easy observance of its proper state and purity through the transparent housing: if the color changes from white to bluish – it’s time to replace the trap.

Benefits

• possesses the ISO NW flange connection;
• contains a large calcium hydroxide element;
• informs the user of being spent by virtue of changing its color;
• perfect for use with ChemStar^® vacuum pumps;
• configuring with prior cold trap reduces loading.