10 Gentrol Point Source IGR Insect Growth Regulator Discs~~ Half Box~~ ~~ Control German Roaches and other Cockroaches as well as Stored Product Pests...<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Gentrol Point Source IGR (Insect Growth Regulator). Offers discreet delivery of the product without measuring， mixing or spraying</li><li>Cockroaches don't need to come in direct contact with the IGR device for it to be effective</li><li>Insect Growth Regulators are activated by squeezing the raised end of the plastic</li><li>Ideal for use in sensitive areas</li><li>Last up to 90 days， it is ideal for areas where compressed air sprayers aren't a viable option.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41ESeESdEsL.jpg" noproxy>