★★★★★ 5
Good price works great
Great product
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Reviewed in the United States on May 21, 2026
Lowell MVB27Magnetic Vent Blocker Kit (for 27in D rack), 4pcs MVB Series: Magnetic Vent Blockers Magnetic vent blockers aid active thermal management when used with a rack fan panel. They're typically mounted on the interior of a rack, covering vents in top front and sides, as well as the top of the rear door. Some field trimming may be required. Sized for use with LGR, LER, LWBR, and LWR rack series. FEATURES . 060 in. thick blocking material Magnetic on one
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Your Lowell MVB27 orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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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
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4.4 ★★★★★
Based on 2376 reviews
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Product Reviews
★★★★★ 5
Amplifier
Works good
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Reviewed in the United States on April 29, 2026
★★★★★ 1
Low quality. Recommend something from a better brand.
Low quality. Seemed fine until the first one I ordered one of the terminals broke off with very little tightening force. The replacement i had ordered worked for a few days then quit working altogether. Overall disappointed.
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Reviewed in the United States on April 8, 2026
★★★★★ 5
Bueno
Lo recomiendo
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Reviewed in the United States on March 21, 2026
★★★★★ 5
Good Relay
Works very well
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Reviewed in the United States on August 27, 2024
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