The Honda Accord on the V6 transmission has a filter that is on top under the Air filter box. The kit from Honda is a filter, 2 gaskets, and 2 crush washers at under $40.00. 10 mm and 17 mm for the filter. The Air Filter box is 10 mm and 8 mm.
The Filter is spring loaded to get the housing back with bolts thread the top 2 bolts 1/2 way then take top close to front and remove to be able to access the lower bolt. Recommend change out every 105k service. Perform a drain and fill on the trans fluid at the same time. Requires 3.1 quarts of fluid. I use Valvoline Max Life a Group II synthetic.