GLASS, GASKETS & SHIELDS GLASS Disc-Rectangle Annealed/Tempered/Quartz/Blue Furnace Series G12 Armoured Gauges Glass Reflex/Transparent Series G14 Tubular Gauge Glass & Tubing Series G11 Molded Discs, 3/4" Thick Annealed/Tempered Series G13 GASKETS/SHIELDS Flat Gaskets & Shields Series G17 Armoured Gauge Gaskets & Shields Series G15 Tubular Glass Gaskets & Washers Series G18
