3/4インチ NPT オス六角ヘッド ステンレススチール オイルサイトガラス 液面レベル ゲージ オイルインジケーターウィンドウ エアコンプレッサー ギアボックス継手 油圧タンクサイトグラス用 (3/4インチ NPT オス)

Description

🔧 See your oil levels like a pro — precision you can trust!

The Boltigen 3/4-inch NPT male hex head stainless steel oil sight glass is engineered for high-performance fluid level monitoring. Featuring a robust 304 stainless steel frame and durable borosilicate glass, it withstands pressures up to 800 PSI and temperatures from -30°C to 120°C. Its clear viewing window with a red ball indicator ensures quick and accurate oil level checks, making it ideal for compressors, gearboxes, hydraulic tanks, and industrial applications. Factory-tested for quality and backed by a full refund guarantee, this sight glass combines reliability with professional-grade precision.