1" Ceramic Insulation Blanket for QuadraFire Wood Stoves, & More. 31" x 24" x 1" Ceramic Fiber Made in USA QuadraFire 1" Ceramic Kaowool Blanket Blanket measures 23 Original QuadraFire parts. No generics Item comes with directions Fits the following Wood Stoves: 7100 fireplace, North Start, 5700 Step Top ACT, 4300 ACT, 3100 Non-ACT and 1800 Wood Stoves Fits the following Wood Inserts: 3100I