Quatro AG321-03 Gold Vault & Basic First Stage Filters Pack of 3 Copper Brass Nickel Silver Metals & Master Alloys perfectly balanced feel

perfectly balanced feel

Double barrel design allows two simultaneous tumbling loads

consider your preferred working distance — the distance from the lens plate at which objects are in sharpest focus

or gas stovetop (per manufacturer guidance) Intended Substrates Glass

Designed with a 1/8" round shank

Quatro AG321-03 Gold Vault & Basic First Stage Filters Pack of 3 Copper Brass Nickel Silver Metals & Master Alloys perfectly balanced feelThe Quatro AG321 03 First Stage Bag Filters are standard equipment in Quatro Gold Vault models GV117 and GV217, used in units manufactured since late 2017. These boxier filters feature a larger capacity design and serve as the direct replacement for the no longer available Quatro AG140 and Quatro AG144 filter bags. Sold in packs of 3, they provide a convenient supply for routine filter maintenance on compatible Gold Vault and Basic polishing units.