- The Hub Piston Housing Adapter, crafted from durable 17-4 stainless steel, is designed for seamless compatibility with HUXWRX's FLOW 9k Ti and FLOW Range 36 Ti suppressors. It accommodates the HUXWRX Pistol Direct Thread Adapter, the HUXWRX 3 Lug Assembly, and the Booster Assembly, offering versatility and robust performance.