3 inches (flue outside diameter)

2 of the wheels can rotate freely in 360°with locking design

【The 80473 Exhaust Blower Motor Technical Specifications】★ RPM: 2750

Warm Tips: Please don’t rub with the rough abrasive cloth or metal balls in case of damaging the anti-stick coating

Fits for Big Green Eggs Large/Medium and Weber 22 1/5 inch kettle charcoal grills

Large Grill Cover 76'' W x 28.3" D x 46.1" H fits for Napoleon P665, P665NSS, P665NK, P665PK, P665PSS, PRESTIGE 665 Grills GG1466-PW 3 inches (flue outside diameter)PROTECTIVE BBQ COVER Premium outdoor heavy duty grill cover Dimensions: 76" W x 28. 3" D x 46. 1" H, fit most popular charcoal and gas combo grills. Fits for Napoleon P665, P665NSS, P665NK, P665PK, P665PSS, P665RSIB, P665RSIBNSS, P665RSIBNCH, P665RSIBNK, P665RSIBPCH, P665RSIBPK, P665RSIBPSS, P665SS, PRESTIGE 665, PRO665, PRO665 3, PRO665RSIB, PRO665RSIB 2, PRO665RSIBK 2, PRO665RSIBNSS, PRO665RSIBNSS 2, PRO665RSIBNSS 3, PRO665RSIBPSS, PRO665RSIBPSS 2,