[{_id:1,filter1:"filter1-val",filter2:"filter2-val",filter3:"filter3-val"},{_id:2,filter1:"filter1-val",filter2:"other-filter2-val",filter3:"other-filter3-val"},{_id:3,filter1:"filter1-val",filter2:"filter2-val",filter3:"other-filter3-val"}]

db.collection.find({$expr:{$or:[{$eq:["$filter1","filter1-val"]},{$eq:["$filter2","filter2-val"]},{$eq:["$filter3","filter3-val"]}]}})