Armstrong 427214-041, IMP BRZ 8X8X15 L

Armstrong 427205-041, impeller brz m 8x8x13 (prior to September 2015)

Armstrong 427186-041, IMP BRZ 5X5X13" M

Armstrong 427186-011, imp ci m 5x5x13

Armstrong 427182-041, IMP BRZ 13" M

Armstrong 427177-041, IMPELLER BRZ M 8X6X13 (September 2015 and later)

Armstrong 427177-011, IMP CI 8X6X13 M

Armstrong 427176-041, imp brz l 4x3x13

Armstrong 427173-041, IMP BRZ 6X4X13 M

Armstrong 427160-041, IMP BRZ 6X5X10 M

Armstrong 427160-011, IMP CI 6X5X10 M

Armstrong 427159-041, IMP BRZ 6X5X10S

Armstrong 427159-011, IMP CI 6X5X10 S

Armstrong 427157-041, IMP BRZ 8X6X10 M

Armstrong 427157-011, IMP CI 8X6X10 M

Armstrong 427156-041, IMP BRZ 8X6X10 S

Armstrong 427154-041, IMP BRZ 6X4X10 M (prior to September 2015)

Armstrong 427154-011, IMP CI 6X4X10 M (prior to September 2015)

Armstrong 427153-041, IMP BRZ 6X4X10 S (prior to September 2015)

Armstrong 427152-041, IMP BRZ 2X2X10 M