LSE Lighting compatible UV Bulb 25W for PenTek UV System 20-463<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Bulb Type: Ultraviolet Germicidal for Water Filtration Systems </span></li><li><span class="a-list-item"> Wattage: 25W， Base Type: 4pin (4pins on one END) </span></li><li><span class="a-list-item"> Overall Length: 17.17" (436mm) </span></li><li><span class="a-list-item"> This UV replacement lamp by (LSE Lighting) is 100% compatible for use with PenTek UV System 20-463. </span></li><li><span class="a-list-item"> All lamps listed are compatible brand (LSE Lighting) UV products. We do not sell Pentair Water/Pentek brand lamps. All Pentair Water/Pentek brand names， trademarks and logos are property of Pentair Water/Pentek. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/311NKX9lEoL.jpg">