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2002 Electro Harmonix Doctor Q Envelope Follower - Bent Steel Enclosure w/ Original Wooden Box and Paperwork

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Sale price$149.50
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2002 Electro Harmonix Doctor Q Envelope Follower - Bent Steel Enclosure w/ Original Wooden Box and Paperwork2002 Envelope controlled filter featuring range control and bass guitar toggle knob. Made in the USA. Includes original wooden box, paperwork & manual. Velcro on back. Screw on battery door has been replaced. Video: https: youtu. be 2OL0ehCypdA Product Specs Item Number: 36081 Make: Electro Harmonix Model: Doctor Q Envelope Follower Condition: Very Good Finish: Silver Categories: effects and pedals wahs and filters pedal Function: Filter Year: 2002
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4.3 ★★★★★
Based on 972 reviews
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Product Reviews
T
Verified Purchase
Thomas Douglas
Pawtucket, US
★★★★★ 4
Good
24 Camry, V6. A little bit different then OEM, just had to tweak the filter a tad, not a big deal but just letting you know. I would still get it again
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
B
Verified Purchase
Brian
Belleville, US
★★★★★ 5
2023 RAV4 Hybrid
The product is great and is OEM+ in quality. This has to be the easiest cabin air filter I have ever changed. The replacement is super simple. Take off the glove box by pressing in (check for Youtube videos), remove and take the plastic tray out, remove the old filter, and install the new one into the plastic tray, making note to match the direction of the arrows. Reinstall and you are done. Replace once a year.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 9, 2024
D
Verified Purchase
Dave K
Omaha, US
★★★★★ 5
The best you can get!
I use Purolator filters exclusively. Top quality filter from a company that specializes in filters.. I use them everywhere a filter is needed. Never a failure and top quality filter media.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 8, 2025
A
Verified Purchase
a g
Lowell, US
★★★★★ 5
Clean air
Perfect fit for my 2023 Toyota highlander hybrid.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 30, 2025
E
Verified Purchase
Ellie H.
New York, US
★★★★★ 5
works as advertised
works as advertised
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2025

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