Delrin Whistle Mouthpiece 510/901 - type B

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Black mouthpiece with flat profile.

This does not have a hole large enough to drip, it is designed for use in tanks and clearos with removable 510 drip tips.

Very good fit with Aerotank / Evod 2 / Mini Protank 3 / T3D.

Made of hard tough delrin type thermoplastic. Rinse with water before use and as necessary.