4 3/4'' X 4 3/8'' X 1 1/4'' BYPASS MECHANISM INSULATION SKU: 21427 US$25.00 Buy Add to Wish List Compare
18 7/8'' X 9 1/2'' X 1 1/4'' VERMICULITE BAFFLE Out of stock SKU: 21586 US$34.00 Buy Add to Wish List Compare
17 1/8'' X 9 3/4'' X 1 1/4'' BAFFLE VERMICULITE BOARD SKU: 21397 US$40.00 Buy Add to Wish List Compare