Acid Trap Insert, contains acid neutralizing desiccant that changes from off-white to purple when exhausted. Chemical trap protects to the rotary vane pump from acid fumes.
Note that this item number includes the insert ONLY. Insert requires a Clear Polypropylene Canister with mounting bracket or Clear Polypropylene Canister with stand for proper use.
Traps are connected between the evaporator and vacuum pump to provide additional protection to the pump.