IVR – Induction high-frequency UV lamp. Externally, this lamp is a ball with a diameter of 2 cm, made of thin quartz glass. Production of the Vladikavkaz plant “Razryad”, USSR. Filling – xenon? Mercury-argon filling? Rated lamp power, W: 4 Burning duration, h: 250 Diameter, mm: 20±0.5 Process length, mm: 5±1 Combined shipping is accepted Contact me via message for any question Shipping time – 10-30 days Item will be shipped immediately after payment Thing will be securely packed Delivery from Ukraine by postal service Thanks for looking!