Hey homeowners and pros! This Selkirk 8-inch insulated wall thimble is exactly what you need for safe gas fireplace installation. Selkirk has been the trusted name in venting products for over 60 years - that's experience you can count on! The stainless steel construction looks great and lasts forever. Quick installation saves you time and hassle - no more messing with individual firestops. The round shielding acts as a radiation shield and gives you the required 2-inch air space clearance to combustibles (safety first, right?). Perfect for gas fireplace setups where you need reliable, professional-grade venting. Measuring 8 inches wide, this thimble handles the job without taking up too much space. The insulation keeps heat where it belongs - inside the venting system. Whether you're a DIY enthusiast or a professional installer, you'll appreciate how straightforward this makes your fireplace project. Selkirk's innovative design means you're getting the latest in safe venting technology. Thousands of homeowners and professionals trust Selkirk for good reason - quality materials, smart engineering, and peace of mind. Your fireplace project deserves the best, and this is it!