This gland is made to ensure a sealed, stable installation of 25 mm sensor glass in UV systems from Aquacare. It protects the sensor against leaks, moisture and pressure differences, and is designed to withstand demanding operating conditions. The gland is easy to install and provides reliable sealing over time. Key benefits: Sized for 25 mm sensor glass. Compatible with UV systems from Aquacare. Prevents leaks and protects the electronics. Robust construction for a long service life. Please contact us if you are unsure whether this gland fits your system.