18 washable and reusable S1 type foam filters for Intex Pure Spa blue-AquaForge

High-quality, reusable foam box. Suitable for Bubble and Jetted Pure spas. Replaces S1 cardboard filters. Replacing paper filter elements is part of daily pool maintenance. These clean and reusable foam filters will help you reduce your costs. Their initial cost is slightly higher, but their lifespan is much longer. More durable than cardboard, they are washable and reusable many times. Dimensions: 10.8 x 7.3 cm. Center hole spacing: 4 cm. Material: Foam. Color: Blue. Package contents: 18 foam filters. Only the above-mentioned contents are included. Note: The color of the item in the photo may differ slightly from the actual product due to lighting and your monitor settings. A margin of error of +/- 1 to 3 cm is possible.