The Waterguard in line water filter 2.5 x 11 is a high-quality water filter designed by SHURFLO specifically for RV-210-GH model. This filter is designed to provide clean and safe water for your kitchen or dining area. With its compact size and easy installation, it is a convenient solution for improving the taste and quality of your tap water. This water filter is a reliable choice for maintaining a healthy and refreshing water supply in your home. not compatable with Brita Maxtra