Streamlight Face Cap O-Ring for SL15/SL20X Series Flashlights 201604 replaces the front waterproofing ring of your Streamlight SL-20X Flashlight. If you need to replace the front waterproofing o-ring of an SL-15 or SL-20X flashlight, the Streamlight O-Ring for Face Cap is the part you need.
We are the best online store for official replacement Streamlight parts. We carry a complete line of spare parts and upgrade kits for Streamlight lights. Whether it's a dinged-up case, a lens that got dropped one too many times, or a flashlight head that's seen better days, you can replace almost any Streamlight part here!