Blow back through the mouthpiece after each use. Every so often, push clean water backwards through the filter with the included syringe. Shake dry and cap both ends before storing.

Orders are dispatched within 1–3 working days with tracking, and most arrive within 4–10 working days. Ordering a Christmas gift? Order early.

You get a 30-day money-back guarantee and a lifetime warranty. If it's not for you, or a filter fails under normal use, email contact@brandname.store and we'll make it right.