38mm

Thermaltake UFO Twin Blade Computer Case Fan Silver Frame 90mm 9cm

Ultra High Airflow 12V 2.5A MINER SERVER FAN 120x38mm 4.7″ 3-Pin PWM 285 CFM

Panel Mount Industrial Waterproof Stainless Steel Metal Keyboard with Trackball

Panel Mount Industrial Waterproof Keyboard with Trackball

Thermal Grizzly Carbonaut 38x 38x 0.2 mm TG-CA-38-38-02-R AM4 & AM5

SUNLU Official Filament Connector,Up to 240°C,For 1.75mm PLA ABS PA PETG TPU