XG-7900 Model XG-7900 is an aluminum, modular core supply diffuser and an excellent choice for VAV applications. Modular cores can be field adjusted with a variety of discharge air patterns. XG-7900 Series XG-7900 × Purchase Options: REQUEST A QUOTE Configure to Order Need a specific configuration? Submit a request online and get a quote from your local representative within 4 hours. REQUEST QUOTE Show All Submittals XG-7900 - Perforated Modular Core Supply Diffuser, Square Neck Performance XG-7900 Performance Catalogs Ceiling Diffusers Ceiling Diffusers Selection Guide Diffuser Selection Flow Chart Product Handbook Instruction Manuals Ceiling Diffuser IOM Specifications XG-7900 Spec Other Product Information Finish Options Warranty Warranty Statement for Air Distribution Products