Expandable Well Caps photometer Clear visual (LED) and audible

Clear visual (LED) and audible indicators distinguish between water and hydrocarbon product layers

Designed to facilitate a gentle flow of water through the screen

Calcium hardness reagent pack for the 9300

Comfortable Fit: Ambidextrous design ensures a snug fit for both hands

1003 pH/ORP Combo Sensor — combined pH and ORP in one sensor (ProQuatro only

Expandable Well Caps photometer Clear visual (LED) and audibleThe Expandable Well Cap is designed to provide a secure, watertight seal inside monitoring and observation well casings. Ideal for environmental monitoring, groundwater sampling, and remediation projects, the expandable plug helps protect wells from surface water intrusion, debris, and unauthorized access while preserving sample integrity. Manufactured from durable glass filled nylon with a Buna N gasket, stainless steel locking lever, and brass wing