Maybe one of these similar products would be of interest:-

Concept 2 Rower Mat for Model D Concept2 Rowing Machine anti Slip and High

Concept 2 HANDLE for Model D E replacement part grips

New Concept 2 Model D Rower Chain Kit with Connector, Swivel, Sprocket C D E

Rowing Machine Cover for Concept 2 Model D, Waterproof, 95" x 24" x 40"

KNOX Fitness Rowing Machine Cover for Concept 2 Model D Rowers, 95" x 24" x 40"