For tobacco smoke, the target is 6 ACH or higher, because the source generation rate is continuous and the chemical compounds require repeated passes over the carbon to reduce to acceptable concentrations
Always Ready:The ultimate pocket companion at just 2.2 x 3.5 inches

Advanced Filtration Technology:17-layer design ensures thorough tobacco purification.Unique honeycomb structure efficiently filters particles.Cutting-Edge Multi-Layer Core:Green fiber cotton, vitamin C, tea polyphenols, activated carbon, nano beads, and magnets.X2 filter cotton traps harmful substances, while tea polyphenols and activated carbon separate and nano beads uniformly absorb tobacco oil.Smart 4-in-1 Design:Crafted with advanced matte technology for a comfortable feel.Adapts to coarse, medium-coarse, medium, and fine preferences without conversion.Integrated nano beads, activated carbon, magnets, and 6 micro-holes ensure a consistently uniform oil absorption.Each tip offers 5-10 uses for a long-lasting experience.Premium Quality & Perfect Gift:High-standard food-grade materials for a reassuring experience.Thoughtful drawer structure enhances convenience and hygiene.Ideal gift for occasions like birthdays, Father's Day, and Valentine's Day.Extended Use & Refined Enjoyment:Striving for excellence, elevating every smoke into a refined indulgence

But much more evidence is needed to determine if they are an effective way to quit