4302 Lay-In 24×48 Perforated Return Panel 4302 Lay-In 24x48 Perforated Return Panel 4302 Lay-In Perforated Return Panel Category: Air Distribution Sub-Category: Returns/Grilles Next Product 4360 Perforated Return Diffuser 06 Inch Previous Product 4302 Lay-In 24x24 Perforated Return Panel