O-Ring EPDM ORNG0009 for Ideal Horizons/ Wedeco UV Lamps WITHOUT Ozone

EPDM O-Ring is 15/16" ID (approx) and seals the UV lamps for Ideal Horizon®/ Wedeco®Models SRE-1-EP, SRE-E-EP, SRE-3-EP, SRE-4-EP, CI-S, IH-S, CI-L, IH-L, C & CD WITHOUT Ozone.O-Rings should be replaced with each lamp change out (2 per lamp).