First Alert 10 Year Battery-Powered Ionization Smoke and Carbon Monoxide Detector 9-98-998-61 use HTH 6-way test strips

use HTH 6-way test strips twice weekly to test and balance your swimming pool water and keep chlorine levels between 1 and 4 ppm

and feature a Lifetime Guarantee

the Nile crocodile

Pest Type: Mosquitoes/Ticks

Head Style: Flat Head

First Alert 10 Year Battery-Powered Ionization Smoke and Carbon Monoxide Detector 9-98-998-61 use HTH 6-way test stripsInstall convenient 2 in 1 protection with the First Alert SMICO110 10 Year Battery Combination Smoke & Carbon Monoxide Alarm. This combination smoke and carbon monoxide alarm meets new industry standards is easy to install, and doesn't require battery replacements for a decade. Brand Name: First Alert Sub Brand: 10 Year Power Type: Battery Powered Sensor Type: Ionization Product Type: Smoke and Carbon Monoxide Detector Packaging Type: Carded Number in