The Bendix+ Spin-On Air Dryer Cartridge design is the industry standard, allowing for fast and simple maintenance. These cartridges are similar in appearance to large oil filters and can be replaced by hand or with a strap wrench, significantly reducing vehicle downtime during service. There are three primary tiers for Bendix spin-on air dryer cartridges, each designed to meet different vehicle needs and maintenance requirements.The standard (OE-Grade) cartridge is the baseline replacement for new vehicles under warranty, PuraGuard+ Oil Coalescing (OSC) Cartridge, easily identified by its silver medallion, is the premium option essential for modern vehicles with sensitive components. Bendix+ GC (Green Cartridge) is a cost-effective, environmentally friendly option for older vehicles.