Bestway SaluSpa Filter Cartridge 2-Pack + 150 Strips 7-Way Pool Test Strips for Hot Tub Spa Water Chemical Testing

• Your Spa's Lifeline: The Bestway premium type VI pool filter cartridge replacement is compatible with all SaluSpa inflatable hot tub and spa models. 150 Strips: This water chemical testing kit contains 150 test strips to keep your pool sparkling clean and safe with testing at least twice a week. Compact Design: Pool filter dimensions (L x W x H): 4.2"L x 4.2"W 3.1"H. Weight: 0.35 lbs. Crafted with durable materials to withstand seasonal changes and frequent use. 7 in 1 Pool Test Kit: Test all necessary parameters for your swimming pool at 1 time, such as Bromine, Total Alkalinity, pH, Free Chlorine, Total Hardness, Cyanuric Acid, and Total Chlorine. Easy-to-Clean: Hot tub and pool filter replacements eliminate the need for frequent purchases, providing a cost-effective and sustainable long-term solution.