As with any products, there are many brands and companies that offer a variety of options for consumer use, and AquaGear is just that.

Multi-functional water filters do exist. However, these products are not ideal in all situation, and that is where the emphasis lies.

Single larger hole in the middle to maintain consistency, fluidity, and prevent splashing
Flexibility in movement of gears to be compatible to all activities
Adjustable to various faucet sizes due to the attachment being of rubber and silicon.

Wider water flow along with smaller holes with specific setting, which can result in splashes
Specific to certain modes of water flow, which limits certain activities
Most come in a standardized diameter, only accommodating to specific faucet models