This new construction plate with adjustable bars works for both new construction joist and T-grid applications. It is compatible with the following Keystone Advanta Downlights:

• LEDRSDL1000010000
• LEDRSDL1000010001
• LEDRSDL1000010002
• LEDRSDL1000010003
• LEDRSDL1000010006
• LEDRSDL1000010007
• LEDRSDL1000010009
• LEDRSDL1000010010
• LEDRSDL1000010011
• LEDRSDL1000010013
• LEDRSDL1000010014
• LEDRSDL1000010015

Product Dimensions – 15.25″ L x Width of 14.37″ (Min Width) to 25.20″ (Max Width)