Engineered for durability, the 1/4' Liquid Indicator (QSG-14-2) is a trusted liquid line sight glass indicator made for monitoring refrigerant charge and moisture levels at a glance. Precision-made for a secure fit and long service life, it stands up to the demands of daily professional use. Key specifications include a 1/4-inch size, making it easy to match this part to your system requirements. It combines affordability with solid, service-proven performance, making it a smart choice for cost-conscious repairs. 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.