K&N 56-9002 fits:
Weber DAS/DCD/DCLD/DCS 28/36, DCHD / DCMP 34

Part 56-9002 Product Specifications
Air Filter Height    1.75 in (44 mm)
Air Filter Inside Diameter    5.25 in (133 mm)
Inlet Diameter    3.156 in (80 mm)
Mounting Hardware Included    Yes
Neck Flange    3.156 in (80 mm)
Overall Height    2 in (51 mm)
Replacement Filter    E-3320
Style    Oval
Top Material    Chrome
Size    6-8

Weight    1.2 lb (0.6 kg)
Product Box Height    7.13 in (181 mm)
Product Box Length    4.63 in (117 mm)
Product Box Width    4.63 in (117 mm)