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PRODUCT PORTFOLIO - Cluster Box Units (CBUs)
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Cluster Box Units (CBUs)
USPS Approved F-Spec front loading Cluster Box Units (CBUs) offer centralized mail delivery with greatly enhanced security.
• Designed to meet or exceed newest USPS standards.
• CBUs are 30-1/2" wide, 62" high (installed) by 17-7/8" deep.
• CBUs have outgoing mail compartment, parcel locker and pedestal.
• Made of rust and rot proof aluminum and stainless steel.


CBU Installation Manual
(PDF, 3.2 MB)

CBU Concrete Foundation Preparation
(PDF, 301 KB)

CBU Type I Specifications
(PDF, 101 KB)

CBU Type II Specifications
(PDF, 84 KB)

CBU Type III Specifications
(PDF, 109 KB)

CBU Type IV Specifications
(PDF, 101 KB)


CBU-8: 8 tenant doors (3-3/8" x 12-13/16"), 2 parcel lockers (10-1/4" x 12-13/16", 13-3/4" x 12-13/16")(Type I)

CBU-8: 8 tenant doors (3-3/8" x 12-13/16"), 2 parcel lockers (10-1/4" x 12-13/16", 13-3/4" x 12-13/16")(Type I)

CBU-8: 8 tenant doors (3-3/8" x 12-13/16"), 2 parcel lockers (10-1/4" x 12-13/16", 13-3/4" x 12-13/16")(Type I)

CBU-12: 12 tenant doors (3-3/8" x 12-13/16"), 1 parcel locker (10-1/4" x 12-13/16")(Type II)

CBU-12: 12 tenant doors (3-3/8" x 12-13/16"), 1 parcel locker (10-1/4" x 12-13/16")(Type II)

CBU-12: 12 tenant doors (3-3/8" x 12-13/16"), 1 parcel locker (10-1/4" x 12-13/16")(Type II)

CBU-13: 13 tenant doors (5" x 12-13/16"), 1 parcel locker (10-1/4" x 12-13/16")(Type IV)

CBU-13: 13 tenant doors (5" x 12-13/16"), 1 parcel locker (10-1/4" x 12-13/16")(Type IV)

CBU-13: 13 tenant doors (5" x 12-13/16"), 1 parcel locker (10-1/4" x 12-13/16")(Type IV)

CBU-16: 16 tenant doors (3-3/8" x 12-13/16"), 2 parcel lockers (10-1/4" x 12-13/16", 13-3/4" x 12-13/16")(Type III)

CBU-16: 16 tenant doors (3-3/8" x 12-13/16"), 2 parcel lockers (10-1/4" x 12-13/16", 13-3/4" x 12-13/16")(Type III)

CBU-16: 16 tenant doors (3-3/8" x 12-13/16"), 2 parcel lockers (10-1/4" x 12-13/16", 13-3/4" x 12-13/16")(Type III)

CBU-4T5: 4 tenant doors (6-3/4" x 12-13/16"), 2 parcel lockers (10-1/4" x 12-13/16", 13-3/4" x 12-13/16")(Type V)

CBU-4T5: 4 tenant doors (6-3/4" x 12-13/16"), 2 parcel lockers (10-1/4" x 12-13/16", 13-3/4" x 12-13/16")(Type V)

CBU-4T5: 4 tenant doors (6-3/4" x 12-13/16"), 2 parcel lockers (10-1/4" x 12-13/16", 13-3/4" x 12-13/16")(Type V)

CBU-8T6: 8 tenant doors (3-3/8" x 12-13/16"), 4 parcel lockers (10-1/4" x 12-13/16", 13-3/4" x 12-13/16")(Type VI)

CBU-8T6: 8 tenant doors (3-3/8" x 12-13/16"), 4 parcel lockers (10-1/4" x 12-13/16", 13-3/4" x 12-13/16")(Type VI)

CBU-8T6: 8 tenant doors (3-3/8" x 12-13/16"), 4 parcel lockers (10-1/4" x 12-13/16", 13-3/4" x 12-13/16")(Type VI)

CBU Color Options

Sandstone

Black

Dark Bronze

Questions? info@qualarc.com
1-888-800-0153 • 916-273-1576
Fax 916-635-0228

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