Ingredients by brand
What's in Flextail repellents?
The 5 Flextail products we've scored use 2 different active ingredients: Prallethrin and Meperfluthrin.
By the Notch Wellness team · Updated July 26, 2026 · Reviewed against our scoring methodology
We make Notch, so we're not a neutral third party. Ingredients and concentrations come from each product's label; scores come from our published methodology.
Active ingredients in Flextail products
Prallethrin 0.8%
In 5 of 5 products
EPA Substance Registry Services (SRS) listed active ingredient for pesticide products.
In 4 of 5 products
Meperfluthrin is a volatile synthetic pyrethroid used in mosquito mats, coils, and heated emanators. It vaporizes readily at warm temperatures to create a spatial repellent zone.
Every Flextailproduct we've scored
Open a product for its full ingredient list, protection time and review.
| Product | Active ingredient | Mosquito protection | Our score |
|---|---|---|---|
| FLEXTAIL EVO RepellerSpatial Device | Prallethrin, Meperfluthrin | — | 55 |
| FLEXTAIL Max Repeller SSpatial Device | Prallethrin, Meperfluthrin | — | 54 |
| FLEXTAIL Tiny RepelSpatial Device | Prallethrin, Meperfluthrin | — | 53 |
| FLEXTAIL Tiny Repeller SSpatial Device | Prallethrin, Meperfluthrin | — | 54 |
| FLEXTAIL Villa RepellerSpatial Device | Prallethrin 0.8% | — | 66 |