32oz rts – amdro insect killer -this ready-to-spray product kills over 500 insects fast, so you can confidently reclaim your outdoor space. it’s easy to use – simply attach your hose and the liquid mixes automatically as you spray. the unique formula kills on contact, providing same day control, and it keeps working for up to 3 months. ACTIVE: 0.35% Zeta-Cypermethrin