Klir Klir V2 Fleece Roller Filter DI-4-V2 (4" Filter Sock) - Klir $229.99 New V2 Version Klir Di-4 V2 Includes Klir 4" Drop-In Automatic Fleece Filter 3.9" Swappable Collar 4.25" Swappable Collar V2 Smart Controller & Magnet-mount... Add to Cart