The Zero In Knockdown Mosquito Killer Refill should be used with the Knockdown Mosquito Killer main diffuser unit (sold separately). It provides effective protection from mosquitoes and other biting insects. Lasts up to 45 nights at 8 hours a night with no need to refill until diffuser bottle is empty.
Plug-in insect killer: use for up to 8 hours each night to kill mosquitoes and other flying insects
Discreet diffuser: releases mosquito control discreetly while operational, killing insects on contact, protecting a room up to 5x3x2m
Lasts over a month: use at night to defend against biting insects, lasts for up to 360 hours or 45 nights
Versatile use: plug in at home or take whilst travelling to protect against bites when on holiday