When the brushes are no longer useful a replacement kit can be purchased that contains all four brushes

Roof Rats and House Mice Rats: Place 1 to 4 bait packs per placement

Abrasion Resistant Glass Reinforced Polycarbonate Impeller for Reliability

1XL Temperature and Pressure Relief Valves are used in water heater and hot water storage tank applications to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters up to 15

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32 OZ. MEDIUM BODIED CLEAR ALL WEATHER PVC CEMENT GALV STREET ELBOW-90 DEGREE When the brushes are no32 OZ. MEDIUM BODIED CLEAR ALL WEATHER PVC CEMENT