Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

Festo
The Festo 546443 is a Midi-sized D series fiber filter featuring a 0.01 µm filtration grade, a manual rotating condensate drain, and a metal bowl guard. Operating at pressures from 0.1 MPa to 1.6 MPa, it processes compressed air per ISO 8573-1:2010 [6:4:4] or inert gases within a medium and ambient temperature range of 14 °F to 140 °F. This unit achieves a 99.9999% overall filter efficiency and an output air quality class of ISO 8573-1:2010 [3:4:2] with a residual oil content of 2.7E-07 oz/yd³. Submit the exact part number, quantity, and application requirements to request a quote.
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Festo 546443. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.