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Description
GAF Master Flow ERV5 Roof-Mounted Power Attic Vent, Mill Finish — 1,250 CFM, 600 Sq. In. NFVAMaster Flow ERV5 Roof Power Attic Vent (1,250 CFM) A roof mounted, thermostat controlled power attic vent designed to expel heat and moisture efficiently. The ERV5 delivers 1,250 CFM with a 600 sq. in. net free vent area, helping protect your home and improve attic ventilation. Key Features: High Airflow Performance: 1,250 CFM helps quickly remove heat and moisture from the attic Thermostat Controlled Operation: Automatically turns the vent on off
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.8 ★★★★★
Based on 961 reviews
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Product Reviews
★★★★★ 5
VERY EFFICIENT MATERIAL
Format: Paperback
It's the most efficient material to prepare the test.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2020
★★★★★ 5
All around helpful---worth the money!
Format: Paperback
This guide has been most helpful for all the folks I help prepare for the iTEP test! It gives insight into what each section of the test is looking for along with examples and great tips about actually TAKING the test. In the Writing and Speaking sections, it also gives sample scores and comments from the Master Grader which is very helpful too.
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Reviewed in the United States on August 9, 2019
★★★★★ 5
Comprehensive, clear and coherent!
Format: Paperback
The iTEP Practice Guide combines a no-nonsense approach to the specific iTEP tests and at the same time offers exercises that task the student with what they need to know. Exercises not only serve the purpose of scoring well, but the overall approach is communicative competence. We use the text in our group and one-to-one classes with very positive--and lasting--results.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 23, 2019
★★★★★ 1
No recomiendo
Format: Paperback
Muy malo, no vine completo, además se demoró mucho más de lo que decía al momento de comprarlo. Solo aplazaban la fecha de entrega sin consultar cómo afectaba al cliente. Yo tuve que presentar el examen sin el libro, porque no llegó en la fecha que decía al comprarlo y después se cambió 3 veces la fecha, casi cumpliendo el mes.
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Reviewed in the United States on December 30, 2025
★★★★★ 5
VERY EFFICIENT MATERIAL
Format: Paperback
It's the most efficient material to prepare the test.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2020
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