“Barrel” is a simple windproof cowl with increased protection from rain. Recommended for areas with low airspeed. Recommended for fireplaces and stoves
The “Chinese” cowl protects against rain. It is only recommended for heaters that have a forced exhaust outlet, such as boilers with pellets, gas-propane, and oil as well.
The classic windproof cowl has the primary purpose of preventing a possible draft of a wind blow in our chimney. Preferable to areas that are often affected by moderate winds. It also provides complete protection against rainfall in the chimney. Recommended for fireplaces and stoves.
