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Description
Salsbury 8 Tenant Doors and 2 Parcel Lockers Cluster Box Unit (CBU) Mailbox with USPS Access - Model 3308Salsbury 3300 Series Cluster Box Units (CBU's) USPS Access Cluster Box Units (CBUs) manufactured by Salsbury Industries provide USPS access and offer a secure means of receiving mail and packages. They are ideal for commercial use or residential applications such as housing developments, apartments or townhouses. The 3300 Series is a USPS accessible CBU that includes a matching pedestal. Our cluster mailboxes are an excellent choice for durability
Salsbury 3300 Series Cluster Box Units (CBU's) - USPS Access
Cluster Box Units (CBU’s) manufactured by Salsbury Industries provide USPS access and offer a secure means of receiving mail and packages. They are ideal for commercial use or residential applications such as housing developments, apartments or townhouses. The 3300 Series is a USPS accessible CBU that includes a matching pedestal. Our cluster mailboxes are an excellent choice for durability because they are constructed of heavy-duty aluminum and stainless steel. See the additional features of our CBU’s below.
Features
- * Salsbury Industries is officially licensed and authorized by the U.S. Postal Service to manufacture Cluster Box Units (CBU's)
- * Manufactured by Salsbury Industries to U.S.P.S. "F" Specifications
- * License # 1CDSEQ-08-B-0026
- * Ideal for commercial and residential developments
- * Include matching pedestal
- * Constructed of heavy duty aluminum and stainless steel hardware
- * Feature a durable powder coated finish available in sandstone, bronze, green, black, white and gray (for replacement units only)
- * Accessed from the front through 2 easy opening master door panels
- * Available in "A" size doors (12-3/4" W x 3-1/8" H), "B" size doors (12-3/4" W x 4-7/8" H) and "C" size doors (12-3/4" W x 6-3/4" H)
- * Doors include a heavy duty 5 pin cylinder cam lock with a dust/rain shield and 3 keys
- * One compartment is labeled "Outgoing Mail" and includes a weather protection flap and an 11-3/4" W x 3/4" H mail slot
- * Include a carrier access door for U.S.P.S. installed master lock
- Include 1, 2 or 4 fully integrated parcel locker(s): Small (12" W x 10" H) and Medium (12" W x 13-1/2" H)
- Salsbury Industries is an ISO 9001:2015 certified company and has excelled in the field of manufacturing since 1936
Options
- * Custom engraved placards
- * Custom engraved doors - regular
- * Custom engraved doors - black filled
- * Replacement locks
- * Additional keys
- * Key blanks
- * Regency CBU decorative top
- * Regency CBU decorative pedestal cover
Downloads
- More Product Information
- Installation Instructions
- Technical Drawing
- AutoCAD Drawing
- BIM Models
- Specifications
Videos
Cluster Box Unit (CBU) Video
Installation Video – Installing Cluster Box Units
Installation Video – Tenant Lock Replacement
Installation Video – Tenant Door Replacement
Installation Video – Locating Tenant Keys
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 1
Velcro strap non durable.
Size: 10.5 Little Kid, Color: Oltremare
The Velcro strap stop working after using the shoes for only less than 2 month.
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Reviewed in the United States on July 19, 2025
★★★★★ 5
74 monte carlo Resto
Model: NewSLS50_52
Great product easy installation with sheets cut to size,using for Classic car Restoration,floor pan and doors
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Impressive Sound Deadening Solution with Enhanced Audio Quality
Model: NewSLS50_52
I recently purchased the Siless 50 mil (1.3mm) 52 sqft Car Sound Deadening mat, and I am delighted with the results it has delivered. Right from the start, I was impressed with the packaging, which ensured the product arrived in perfect condition.
One of the standout features of this sound deadening mat is its ease of use. It was a breeze to cut and modify according to my specific needs. Whether I needed to cover specific areas or customize the size, the mat accommodated my requirements effortlessly. This flexibility made the installation process a breeze.
The Siless Sound Deadening mat has proven to be highly effective in reducing outside noise within my vehicle. With just a half cabin install, I noticed a significant reduction of approximately 10 decibels, making my driving experience much quieter and more comfortable. The mat acted as a reliable barrier against external noise, allowing me to enjoy a more peaceful ride.
Furthermore, the sound quality from my vehicle's audio system experienced a noticeable improvement. The Siless mat effectively dampened vibrations and minimized resonance, resulting in cleaner and more refined audio output. The mat's thickness of 50 mil (1.3mm) ensures optimal sound absorption, contributing to its effectiveness in creating a quieter and more enjoyable driving environment. I can now appreciate the full range of tones and enjoy a more immersive music experience during my drives.
Overall, I highly recommend the Siless 50 mil Car Sound Deadening mat for anyone seeking a reliable and effective solution to reduce noise and enhance audio quality in their vehicle. The easy cutting and modifying process, along with the excellent packaging, contribute to a seamless installation experience. With a significant reduction in outside noise and an improvement in sound system performance, this sound deadening mat has exceeded my expectations.
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Reviewed in the United States on May 27, 2023
★★★★★ 5
Good quality sound deadener at a good price.
Model: NewSLS50_52
Quality sound deadening that adheres to body panels well. You can easily hear the vibration reduction after just the first piece by tapping on the body panel before and after.
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Reviewed in the United States on November 21, 2025
★★★★★ 4
Good stuff at a good price
Model: NewSLS50_52
Works well and sticks well. I used a roller and it has been over a year and everything still sticking as good as day i put it everywhere. I didnt use any adhesive but I did wipe everything down with acetone before I applied. Good stuff at a good price
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Reviewed in the United States on November 23, 2025