What are the dimensions of the air cleaner elements of OTR CAI To Suit Holden VT - VZ LS1 V8

Product Specifications are shown below:

Air Filter Shape:                   Panel
Filter Material:                     Cotton Gauze
Filter Re-Oiling Amount:     0.84 Oz (25 ml)
Height:                                1.125 in (29 mm)
Outside Length:                  18.25 in (464 mm)
Outside Width:                    3.25 in (83 mm)
Package Contents:               1 Air Filter
Package Quantity:                1
Part Number:                        33-2193
Product Box Height:             2.75 in (70 mm)
Product Box Length:             22.38 in (568 mm)
Product Box Width:              7.38 in (187 mm)
Product Style:                       Panel Air Filter
Weight:                                 0.96 lb (0.44 kg)