DayStar Filters 130mm-Aperture Energy Rejection Filter (170mm Cap Diameter)
SKU: 87605941606

DayStar Filters 130mm-Aperture Energy Rejection Filter (170mm Cap Diameter)

$72688.50 $80765.00
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Description

DayStar Filters 130mm-Aperture Energy Rejection Filter (170mm Cap Diameter)For Use on Refractor and Maksutov OTAs Reduces Heat Load on Filter Assembly Absorbs or Reflects UV and or IR Light For H alpha, Sodium, Helium D3 Filters Inside Diameter of Cap: 17 cm (6. 692") Daystar Filters ' 130mm Aperture Energy Rejection Filter is designed for on axis use with Refractor and Maksutov style OTAs to reduce the heat load on your filter assembly by absorbing or reflecting UV and or IR light while transmitting light in the desired

  • For Use on Refractor and Maksutov OTAs
  • Reduces Heat Load on Filter Assembly
  • Absorbs or Reflects UV and/or IR Light
  • For H-alpha, Sodium, Helium D3 Filters
  • Inside Diameter of Cap: 17 cm (6.692")

Daystar Filters ' 130mm-Aperture Energy Rejection Filter is designed for on-axis use with Refractor and Maksutov-style OTAs to reduce the heat load on your filter assembly by absorbing or reflecting UV and/or IR light while transmitting light in the desired spectrum. This ERF can be used with H-alpha, Sodium, and Helium D3 solar filters, but is incompatible with calcium wavelengths.

Choose the ERF aperture size to approximately match your refractor's objective aperture or Maksutov corrector plate. Select the correct filter cap size by measuring the outside diameter of the OTA's dew shield and choose the ERF with the smallest inside diameter that will fit over the dew shield. A set of screws is included to secure the ERF into place. This ERF's cap has an inside diameter of 17 cm (6.692").

UPC: 724696425526
In the Box
DayStar Filters 130mm-Aperture Energy Rejection Filter (170mm Cap Diameter)
  • 3 x Set Screws
  • Limited 10-Year Warranty
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 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
SKU: 87605941606

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4.8 ★★★★★
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Product Reviews
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Verified Purchase
Jayme
Los Angeles, US
★★★★★ 5
Not top grade
Style: 30 pcs
I didn't have a chance to install although I've would been very excited.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 7, 2026
J
Verified Purchase
Jack Swidecki
Alexandria, US
★★★★★ 5
Worth the buy
Style: 30 pcs, Style: 30 pcs
Put in my 1991 f250 super cab and it did the whole bottom and then some. Works spectacularly
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
J
Verified Purchase
james
Whiting, US
★★★★★ 5
Would recommend
Size: 10 sqft
I used this sound deadening material in my car during an audio and interior upgrade, and the difference was noticeable immediately. Road noise, vibrations, and rattling were reduced a lot, especially on the doors and floor panels. The car feels much quieter and more solid while driving now. The material was easy to cut and apply, and the adhesive stuck very well without peeling up. It has a quality feel to it and conforms nicely around curves and tight areas. I also noticed my speakers sound cleaner and have better bass response after installing it. For the price, this sound deadening material is a great value and definitely worth it if you want a quieter ride and better overall sound quality in your vehicle.
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Reviewed in the United States on June 6, 2026
D
Verified Purchase
David
Belleville, US
★★★★★ 5
Worth it!
Size: 50 sqft
I was worried it wouldn't work as well since it's 50 mil and I thought I got the wrong thing. Nope! Works great. Did all four doors on my 93 civic and I have enough for the floor I think. Solid price. Noise reduced by about 5 decibels hive difference. Very sticky and easy to apply I'm so happy I was able to cover most all of my car. If I need more, definitely buying this since I got so much extra and I thought I would. PS: that five decibel thing is only with the four doors. My firewall is next and then my floor, but it's such a huge difference
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Reviewed in the United States on April 2, 2026
T
Verified Purchase
Teresa A. Patterson
Los Angeles, US
★★★★★ 5
Quiet your vehicle noises
Size: 50 sqft
Put this in our high roof van and couldn’t believe how much quieter it was at once. Really cut down on the vibration noise Nice and easy to install just peel n stick. Was also easy to cut with scissors for smaller areas. Seemed to be really nice quality. Didn’t notice any odor.
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Reviewed in the United States on June 9, 2026

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