Fightback against mosquitoes with the Ortho Home Defense Mosquito Kill and Prevent Refill Kit. This mosquito kit replenishes your Ortho Home Defense Mosquito Kill and Prevent station, sold separately. Each mosquito control packet contains a dual-action formula that kills adult mosquitoes within 9 days, and prevents the emergence of mosquito larvae. Backed by scientific research and available to mosquito professionals, this technology is now available at a DIY price. The active ingredients are contained and targeted, not broadcast into the air. Don't settle for short-term relief from mosquito repellents - use these refills in your mosquito station to control mosquito populations over time for a long-term solution to mosquitoes, without flames, sprays, or batteries. Each packet contains a refill band, powder, and tablets. Replace the floater band, and pour remaining powder and tablets into the station after replenishing water if needed. Check water regularly and replace the band every month. See label for complete directions. This package comes with 2 Ortho Home Defense Mosquito Kill and Prevent refill band, for 2 months protection. Aedes and Culex species.