This 40W UV lamp with 4-pin socket is made specifically for Aquacare UV systems. With a service life of 9000 hours and an overall length of 843 mm, the lamp delivers effective disinfection by deactivating bacteria, viruses and other microorganisms in the water. The lamp's 15 mm diameter and precise fit make it easy to install and ideal for consistent operation. Key benefits: 4-pin socket for easy, secure connection. Long service life - 9000 hours. Effective against bacteria and viruses in water. Matched to UV systems from Aquacare. Please get in touch if you are unsure whether this UV lamp fits your system.