Clear Poly Surface Mount Protective Cover, 4-15/32 in. H, Safety Technology International, Mfr#: STI-6519$19.15+
Universal Stopper Cover, Surface, 2-13/16D, Safety Technology International, Mfr#: STI-13300NC$52.49+
Conduit Spacer with Frame - Clear for Stopper II® series, Safety Technology International, Mfr#: STI-3100$19.19+
Surface Mount Clear Poly Enclose Protective Cover 4inD, Safety Technology International, Mfr#: STI-13200NC$43.85+