Stainless Steel Baffle: Use baffles and curves, rather than mesh, to extract grease and other contaminants from any range smoke. They are very effective and typically capture 90% of all grease. They do look more stylish with their single piece of metal. Is used in most professional style kitchens. Baffle filter systems are made of high grade stainless steel, and are easily removed for cleaning. They can be placed in the dishwasher for easy cleaning.
Aluminum Mesh: Is one of the most popular types of filters and least expensive. It is very durable and good at collecting dust, grease, and small particles. One of the best features is that these meshes can be slid into multi-layered aluminum sheets then staggered and expanded with several dirt and dust holding baffles for extra effectiveness. Thus they can be easily layered on top of each other and are some of the best at capturing contaminants.
Stainless Steel Mesh: If you plan on cooking frequently for family or to entertain and are using all your range burners, then it’s recommended to use stainless steel mesh. This is produced with high quality metal, which provides excellent resistance against alkali, corrosion, acid and heat. Stainless steel mesh is constructed with four types of metal ranging from Type 304, Type 304 L, Type 316 and Type 316 L.
Charcoal: Mostly used for recirculating systems and is considered best for cleaning and eliminating chemicals like nitrates, sodium and their reactions. These filters ware known to trap carbon-based impurities. It is also considered one of the best filters available for minimizing cooking odor and keeping the kitchen clean and tidy by capturing grease. However, it does come with its disadvantages, since you’ll need to change the filter about every 6 - 10 months depending on your type of cooking.
Oil Cups:These are cups that accumulate all the collected waste oil and help the filters to purify the air, without allowing any air containing oil content to pollute your ventilation system or kitchen. These filters are designed for those who like cooking with a lot of oil. The oil cup filters collect the oil in to a cup and also make it easy to clean whenever required.