Rogue Fitness LB Change Plates are an amazing quality set of plates.

Rogue Fitness Bumper Plates are great bumpers but a little expensive. The are amazing quality.

Concept 2 Model B Indoor Rower is a great way to raise your heart rate. Is a great well built piece.

Concept2 Model C Rower is another great way to get an amazing cardio workout. Well built machine.

Concept2 Model D Rower - PM5 is an amazing machine to get in a great cardio workout.

Concept2 SkiErg is a commercial piece of equipment that will give you another option for cardio.

Concept2 RowErg Rower - PM5 is an amazing rowing machine that can get give you a great workout.

Precor 846i Upright Bike is a great quality cardio piece but they are found in commercial environments.