BRUSHROLL RAINBOW R-5590 REPLACEMENT This wooden roller brush assembly fits Rexair / Rainbow vacuum power heads/nozzles for D4C SE, Performance Edition (with center belt only) , E2 power nozzle, PN2, PN-2, PN3, E3, One Speed E Series E1/E2, Two Speed E Series Type 12. Replaces Rainbow / Rexair OEM brush part R-5590, R5590, R5590C or R-5590c. This roller brush has nylon bristles, ball bearings, pulley in center and black plastic end caps with thread protection.