The drip shield was made specifically for the 901 atomizer. The 901 has a hole for air close to the bottom of the casing. When dripping using the 901 you can only get in 2 drops before the juice comes out of that hole, making it very frustrating. So the 901 atomizer was put away for those of us who dripped. It gives great flavor and a lot of us were saddened by the fact that the 901 could not be used for dripping without having a huge mess.
With the Drip shield, you can now use the 901 for dripping. The juice that leaks from the side hole is now captured in the shield and gets pulled back into the atomizer when you take a hit off the pv you are using. HTH
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