[Off-Grid Experience]: Wood-burning hot tub heater consumes zero electricity and gas and does not require pumps, wiring or filtration systems to operate; a great addition to your backyard or vacation rental hot tub; you can even pair with your hot tub and enjoy off the grid [Connecting Pipes and Clamps Included]: Includes two high temperature silicone connecting pipes with 2-3/5-inch outer diameter; six clamps are included to fix this stove to your wood fire hot tub [Rust and Corrosion Resistant]: Stainless steel stove and chimney are rust and corrosion resistant; chimney has iron anti-scald cover for safety [Equivalent to 10-15 kW Electric Heater]: Wood-burning hot tub heater is designed to be equivalent to a 10-15 kW Electric Heater; use paddle to stir water and keep temperature even throughout tub (not included) [Dimensions]: 25.53L x 15.8W x 88H in.; kit includes: (1) Stove; (1) Chimney (3 separate pieces); (2) Connecting Pipes; (6) Clamps Enjoy using your hot tub as often as you’d like without racking up those electric bills. This wood-burning hot tub heater consumes zero electricity and gas, and does not require any pumps, wiring or a filtration system to operate. Whether you are looking for a more cost-effective hot tub solution for your home or want to enjoy soaking in your tub off the grid, this wood stove and chimney kit is the perfect addition to your wooden hot tub. This wood-burning heater is made from stainless steel to prevent rust and corrosion. An iron anti-scald cover is attached to the chimney for safety.