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The Josam 2-in. High Waterdam Ring securely fits the Josam 21500 Series Roof Drain.
For instructions on how to measure for a replacement drain ring, visit our resource page, How to Measure a Roof Drain Ring.
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Josam 4114 Poly Dome
Josam 4114 NS Cast Iron Dome
Josam 21500 Drain Ring
Josam 21500 Poly Waterdam Combo Kit
Josam 21500 Cast Iron Waterdam Combo Kit
Josam 21500 Poly Combo Kit
Josam 21500 CI Combo Kit
Josam 21500 15" Bowl
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