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MERV 7 pre-filter for Terra Fan Filter Units (FFUs) | 6601-34 displayed
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Product Group:
6601-PP-84
6601-PP-84

Pre-Filters for FFUs

  • Pre-filters are an essential feature, prolonging the life of the HEPA/ULPA filter
  • Applications: Pharmaceutical, semiconductor, healthcare, and other controlled environment applications
  • Captures larger particles that would otherwise abuse and quickly wear out the HEPA/ULPA filter
  • Replacement pre-filters come in packs of 4 or 12

• Filter Type: MERV 7 Pre-Filter

• Unit of Measure: EA

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 Terra Part #Price Ships in
14" x 19.5" 7/8" 4-Pack Carbon Pre-Filter 6702-66 $196 1-3 Days2
20 in stock
14" x 19.5" 7/8" 4-Pack MERV 7 Pre-Filter 6601-72 $196 15-19 Days3
Quick Ship+ Available In stock soon
14" x 19.5" 7/8" 12-Pack Carbon Pre-Filter 6702-67 $522 1-3 Days4
20 in stock
14" x 19.5" 7/8" 12-Pack MERV 7 Pre-Filter 6603-89 $522 1-3 Days5
Quick Ship+ Available 21 in stock
19.5" x 19.5" 2" 4-Pack MERV 8 Pre-Filter 6604-15 $207 15-17 Days6
19.5" x 19.5" 2" 12-Pack MERV 8 Pre-Filter 6604-16 $560 15-17 Days7
19.5" x 19.5" 4" 4-Pack MERV 8 Pre-Filter 6604-17 $225 15-17 Days8
19.5" x 19.5" 4" 12-Pack MERV 8 Pre-Filter 6604-18 $619 15-17 Days9
19.5" x 19.5" 7/8" 4-Pack Carbon Pre-Filter 6702-63 $187 1-3 Days10
37 in stock
19.5" x 19.5" 7/8" 4-Pack MERV 7 Pre-Filter 6601-34 $187 1-3 Days11
Quick Ship+ Available 257 in stock
19.5" x 19.5" 7/8" 12-Pack Carbon Pre-Filter 6702-64 $499 1-3 Days12
17 in stock
19.5" x 19.5" 7/8" 12-Pack MERV 7 Pre-Filter 6603-84-C $499 1-3 Days13
Quick Ship+ Available 35 in stock
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Product Details
Product Details
  • Pre-filters are an essential feature, prolonging the life of the HEPA/ULPA filter
  • Applications: Pharmaceutical, semiconductor, healthcare, and other controlled environment applications
  • Captures larger particles that would otherwise abuse and quickly wear out the HEPA/ULPA filter
  • Replacement pre-filters come in packs of 4 or 12
  • General purpose pleated air filters provide between 50% - 69% efficiency for filtering particles between 3 - 10 microns in size (such as mold spores and dust). Suitable for dusty, commercial and industrial workspaces.
  • High strength frame constructed of virgin materials obtained in compliance with forest practices consistent with standards set forth by the Sustainable Forest Initiative (SFI).
  • Note: FFUs are designed to use only one prefilter at a time. Prefilters should not be stacked.
  • Replacement guideline: The filter should typically be replaced when the pressure drop (airflow resistance) has increased to about twice the initial level.

• Filter Type: MERV 7 Pre-Filter

• Unit of Measure: EA

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Fan Filter Units With Pre-Filters

  • HEPA filters prevent infections HEPA Filters Prevent Infections
  • Terra Universal WhisperFlow® Filter Fan Units Terra Universal WhisperFlow® Filter Fan Units
HEPA filters prevent infections
HEPA filters capture and mitigate airborne particles that can cause infections. HEPA Filters Prevent Infections HEPA and ULPA filters capture and mitigate airborne particles, as well as pathogens including Rhinoviruses, Influenza, SARS-CoV-2, and RSV. Filters also combat aerosolized bacteria like C. Difficile, a prevalent cause of hospital-acquired infections.
Terra Universal WhisperFlow® Filter Fan Units
Overview video of Terra Universal's comprehensive portfolio of filter fan units Terra Universal WhisperFlow® Filter Fan Units Overview video of Terra Universal's comprehensive portfolio of filter fan units
Features & Benefits

Features and Benefits

Protect Against Contaminants and Pathogens

HEPA and ULPA filters help capture many bacteria, viruses (COVID-19), and mold spores that contribute to a host of infections for both humans and plant/animal tissue cultures

Long Running FFU Motors

Terra’s filter fan unit motors are rated for 5 years of continuous, 24/7 operation, if the HEPA filters are consistently replaced. To accurately monitor your HEPA filter’s saturation levels, purchase Terra’s audible and visual filter replacement alarm system.

Continuous Product Improvement

At Terra, we strive to develop and produce the highest quality products for our customers to improve health, safety, performance, and yields. Our product quality is enabled by high-grade manufacturing equipment and processes, 50 years of engineering and application expertise, and our commitment to continuously improve.

Comprehensive Product Portfolio

Terra’s comprehensive product portfolio includes solutions for every application and budget. Our technical sales staff will guide you toward the product most suitable for your requirements.

Long-Term Customers

Terra is committed to building long-term relationships with satisfied clients; 94% of orders each year come from repeat customers

Complete Project Transparency

Terra is dedicated to complete transparency on project status, shipment tracking, and installation scheduling
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On a tight schedule? Choose FasTrak 24/7 Priority Service to help meet your critical schedule for Terra-manufactured products, either before or after your order is placed.*

  • FasTrak 24/7 provides a 24/7 commitment to meet the shipping date YOU specify, regardless of quoted lead times.
  • FasTrak 24/7 assigns a dedicated production team plus a dedicated senior expeditor working three shifts to meet your delivery specification.
  • FasTrak 24/7 guarantees* to meet the agreed-to specified ship date.

Call for pricing. FasTrak service fees cover costs of additional services only, without additional profit.

 * Terra's FasTrak services limited guarantee: to ship on the ESD or date specified OR to refund up to 100% of FasTrak charges. This guarantee covers no direct, special, consequential or other damages and is strictly limited to up to 100% of the amount paid for FasTrak service. When a specified ship date is missed due to factors outside Terra's control (vendor performance, deliveries by shipping companies, etc.) and random factors such as accidents, the credit of up to 100% of the FasTrak 24/7 may not apply. FasTrak service requested after order placement will be quoted and accepted based on available time remaining before required ship date.