Superior 2" Clearance Firestop Spacer for 12" Standard Wood Burning Chimney d5.625 Model 21ZC Wood Stove FP

Model 21ZC Wood Stove FP ZC21 Stove Dimensions 20-1/4" H x 22" W x 18-1/8" D Cubic Feet Firebox Volume 1

VCFP-S Hargrove 3/8" Volcanic Firepit Cinder Media - 5 Gallon Bucket 3/8" Volcanic Cinder - 5 gal

That amount will depend on the model but you want it to be about half an inch from the top of the reservoir

Provides transition from 4" to 5" diameter pipe

Superior 2" Clearance Firestop Spacer for 12" Standard Wood Burning Chimney d5.625 Model 21ZC Wood Stove FPWhat's Included Firestop Spacer Features 2" Clearance Firestop Spacer For use with Superior 12" Standard Wood Burning Chimney (12 3 8" Inner Diam. 15" Outer Diam) Specifications Item Number FS 10 Catalog Number F0940 Product Type Firestop Spacer Material Galvanized Steel Quantity 1 pack Overall Dimensions 19. 5" (W) x 19. 5" (D)