The 7/8' Liquid Indicator (QSG-78S) delivers reliable, consistent performance as a liquid line sight glass indicator suited to monitoring refrigerant charge and moisture levels at a glance. Designed with reliability in mind, it installs easily and performs consistently in both residential and commercial settings. Key specifications include a 7/8-inch size, making it easy to match this part to your system requirements. Quality-checked for dependable performance, it offers excellent value without compromising on reliability. Whether you are an HVAC technician, contractor, or hands-on homeowner, this liquid line sight glass indicator is an essential addition to your fittings and line components supplies. Order today and keep your air-conditioning or refrigeration system running at its best.