St Croix Rheostat & Knob Kit (2003 and Earlier): 80P20039-R-AMP Extra Large (2198 and UP) Pumice Brick SKU Dimensions 1 Size:15' 360 Image The panel features a PP1005

St Croix Rheostat & Knob Kit (2003 and Earlier): 80P20039 R AMP Extra Large (2198 and UP) Pumice Brick SKU Dimensions 1 Size:15' 360 Image The panel features a PP1005 Pumice Brick SKU Dimensions 1 (A) 14 BK PUMICE BRICK A 9" X 4 1 2" X 1 1 4" 2 (C) 3 BK PUMICE BRICK C 7 5 8" X 4 1 2" X 1 1 4" 3 (SI) 1 BK PUMICE BRICK SI 9" X 4" X 1 1 4" 4 (T) 1 BK PUMICE BRICK T 9" X 1 1 4" X1 1 4" 5 (U) 1 BK PUMICE BRICK U 5 3 4" X 1 1 4" X 1 1 4" 6 (W) 3 BK PUMICE BRICK W 5 3 4" X 4 1 2" X 1 1 4" 7 (WI) 1 BK PUMICE BRICK WI 5 3 4" X 4" X 1 1 4" 8 (X) 1 BK PUMICE BRICK X 9" X 3 1 8" X 1 1 4" 9 (Z) 1 BK PUMICE BRICK Z 4 1 2" X 2 1 4" X 1 1 4" see compatible models for other models that use this replacement glass