Reflex and flat transparent gauge glass For Level Gauge(gage) used for Boiler (LIQUIDOMETER GLASS) gauge glass, also named gage glass, sight glass, liquidometer glass, boiler glass, level gauge glass, level gage glass, reflex glass, including the reflex gage glass and the flat transparent gage glass, it is used in level gauge in boiler. Now our products have been exported to Pakistan, Poland, England, Croatia, Malaysia, USA, Syria, Vietnam and so on. And we are keeping the long term cooperation with our clients. Material: borosilicate, category: reflex, transparent and plane, high pressure three flutes , four flutes. ect. The sizes are as follows: reflex gauge glass with 3 flutes and 4 flutes 340 x 34 (30) x 17mm 320 x 34 (30) x 17mm 320 x 32 x 17mm 280 x 34 (30) x 17mm 280 x 34 x 22mm 280 x 28 x 17mm 250 x 34 (30) x 17mm 250 x 34 x 20（22）mm 218 x 34 (30) x 17mm 216?4（32）?7mm 190 x 34 (30) x 17mm 165 x 34 (30) x 17mm 140 x 34 (30) x 17mm 115 x 34 (30) x 17mm transparent and flat gauge glass 340 x 34 (30) x 17mm 320 x 34 (30) x 17mm 280 x 34 (30) x 17mm 250 x 34 (30) x 17mm 218 x 34 (30) x 17mm 216?4?7mm 216?8?3mm 215?4?2mm 190 x 34 (30) x 17mm 190 x 30 x 20mm 165 x 38 x 23mm 159 x 34 x 22mm 115 x 34x 17mm gauge glass with 1flutes 218 x 34 x 30mm 218 x 40 x 33mm 218 x 43 x 34mm 186?3?4mm 190?0?3mm 190 x 34 x 30mm 165 x40 x 33mm gauge glass with 2flutes 280 x 38 x 24mm 280?4?2mm 218?4?2mm 190 x 34 x 22mm 165 x34 x 22mm 140 x34 x 22mm Packing: white paper box then in wooden (plywooden) case Also, we can make the mold and produce the product according to your requirements. Such as print the words on the products, the size, and so on.