*PLUMBERSSTOCK EXPERT* responded:
Hi, there! Thank you for your interest in our Metal-Fab 10TGS36 chimney temp. guard. Yes, you are correct. This temp. guard is class A, a stainless steel double wall insulated pipe with 10" (upper) x 13" (lower) x 36"(length) dimensions. You can refer to page 3 of this brochure for more information. You can purchase this product by clicking Add to Cart, enter your zip code and you're all set. For inquiries, contact us @ 435-868-4020 or through e-mail @ firstname.lastname@example.org. Thank you and we hope to see you again here @ PlumbersStock.com!