· Designed for use with Safer Home Natural Mosquito Repellent (Model SH1200) · Repels mosquitoes with a blend of naturally derived essential oils · Safe for use around children and pets when used as directed · Protects for 48 hours – each pad is effective for 12 hours of use · 4 refill repellent pads - 2X faster acting compared to DynaShield Mosquito Repellents