PneumaticPlus B410T Modular Bracket T-Type Modular Bracket for PneumaticPlus 4000 Series 1/2" Connection ONLY Use bracket to connect SAR4000 Series Regulators & SAF4000 Series Particulate Filters & SAFM4000 Series Coalescing Filters Securing Connects PneumaticPlus 4000 Series Fileter, Regulators & Lubricators Works ONLY with PneumaticPlus 4000 series - 1/2" Body