The O's bounced back from the defeat to Scunthorpe - that ended an eight-match winning run in all competitions - by beating Walsall 2-1 on Saturday.
Moses Odubajo scored an 87th minute winner to move Orient to within five points of the play-off places.
Slade is unlikely to make too many changes but has Michael Symes available if he decided to freshen things up.
The striker returned to the bench at the weekend following a hamstring injury that had seen him miss the Scunthorpe game.
Jamie Jones should continue in goal after making a number of important saves during his first start since August following a shoulder injury.
- Sports & Recreation
- Michael Symes