The Siemens - LP4290 UV Light Bulb For Germicidal Water Treatment is a guaranteed replacement UV bulb that gives you a worry-free performance for an entire year
MicroCure (1 or 2 included depending on selection by add to cart button):
The bulb produces high spectrum HG Mercury Wavelength UV irradiance for a high quality curing finish
What that means is that if you have 10 mw/cm2 of UV-C light 1 foot from the light source
IST compatible UV lamp - part number M-400-K2L-A - Drawing (PDF)
Pentek - PD - Series -9-3/4" X 2.5" 25-mic Polydepth Sediment Filter Model Number_GTS 61 VO The Siemens - LP4290 UVWater filters remove undesirable particles, chemicals, and microorganisms from water by means of a semipermeable barrier, adsorption, or biological processes. They are made of densely packed synthetic or natural fibers that trap suspended particles, materials that block microbes or adsorb unwanted chemicals or substances that cause a chemical change, such as acid neutralization. Features: Higher filtration efficiency, consistent flow rate, and