Mortein PowerGard The Expert's Multi-Insect Automatic Insect Spray Odourless prime + refill kit provides superior release for continuous protection against insects. (superior spray vs. NaturGard Refill) Suitable for both indoor and outdoor use.   - 5 settings. - 27 days indoors (based on the lowest setting). - 24 Hours outdoors (based on the lowest setting). Mortein PowerGard Multi-Insect Killer Automatic Spray Indoor & Outdoor gives you the control you need to enjoy protection from pests every day. Choose the time setting that meets your needs according to the table below.  Indoors: Insect: Mosquitoes, Flies, Moths. Windows/Doors: Open, Closed. Recommended Settings: Hi, Lo. Insect: Cockroaches, Fleas. Windows/Doors: Open/Closed. Recommended Settings: Hi. Insect: Ants Windows/Doors: Open/Closed. Recommended Settings: Lo. Outdoors: Insect: Flies most prevalent. Area Conditions: Large area/windy. Recommended Settings: Hi. Insect: Mosquitoes most prevalent. Area Conditions: Small area/calm. Recommended Settings: Lo. # The choice of setting may be affected by air changes, location layout, temperature & humidity & the time of day. The Hi Indoor setting releases product every 13 minutes, the Lo Indoor setting every 17 minutes. The Hi Outdoor setting releases product every 20 seconds, the Lo Outside setting every 40 seconds.   Automatic Spray with 5 settings   27 days use indoors   24 hours use outdoors   Multi Insect Kill   1 Diffuser Unit + 1 Refill   Releases regular bursts of mist to keep your home protected   Continuous and automatic protection.    Controls flying and crawling insects  View more