The Honeywell North® 75FFP100 Flexible Low-Profile P100 Filter (Part Number 75FFP100) is an ultra-slim, high-efficiency particulate filter engineered for maximum respiratory protection, superior peripheral visibility, and ergonomic clearance during aerospace manufacturing, composite trimming, and hazardous defense MRO operations. Featuring an ultra-thin, flexible disc design, the 75FFP100 sits exceptionally close to the facepiece, allowing it to fit effortlessly beneath welding helmets, grinding shields, and sandblasting hoods without interference. Built with Honeywell North’s proprietary N-Series threaded connection, this filter provides a minimum of 99.97% filtration efficiency against all solid and liquid airborne particulate hazards, including oil-based aerosols, metal fumes, hexavalent chromium, lead dust, and radioactive isotopes.

Technical Specifications & Material Properties

• Manufacturer / Brand: Honeywell / North® Safety Products
• Part Number: 75FFP100
• Filter Classification: NIOSH Approved P100 Particulate Filter
• Filtration Efficiency: ≥ 99.97% against all airborne solid and liquid particulate hazards, including oil-based and non-oil mists
• Profile & Form Factor: Flexible flat-disc / pancake configuration for maximum clearance in confined spaces
• Connection Mechanism: Honeywell North N-Series threaded connection for secure, airtight mating
• Respirator Compatibility: Fully compatible with Honeywell North half masks (5500 Series, 7700 Series) and full facepieces (5400 Series, 7600 Series, RU6500 Series)
• Physical Durability: Spark-, water-, and flame-retardant outer layer to withstand grinding splatter and harsh shop environments
• Packaging Configuration: 2 filters per pack (1 matched pair)
• Service Life: Replace when breathing resistance increases noticeably, if the filter media becomes torn or contaminated, or according to facility industrial hygiene regulations

Approved Specifications & Industrial Standards:

The Honeywell North 75FFP100 filter adheres to strict federal occupational safety and aerospace hygiene mandates:

• NIOSH 42 CFR Part 84 Certified: Approved under TC-84A testing criteria as a P100 class particulate filter suitable for oil-containing and oil-free aerosol environments.
• OSHA Heavy Metal Compliance: Meets OSHA respiratory standards for protection against Hexavalent Chromium (29 CFR 1910.1026), Lead (29 CFR 1910.1025), Beryllium, and Asbestos (29 CFR 1910.1001).
• Compact PPE Integration: Sits flush against the respirator cheek piece, fully clearing ANSI Z87.1 welding visors, grinding shields, and safety goggles.

Key Features & Performance Benefits

• 99.97% HEPA-Grade Capture: Stops ultra-fine toxic dusts, metal fumes, crystalline silica, and bio-aerosols with minimal breathing resistance.
• Ultra-Slim Disc Profile: Reduces leverage on the neck and prevents snagging against airframe bulkheads, stringers, or tight equipment racks.
• Flexible Encapsulation: Absorbs mechanical impacts and bends without cracking the internal filtration matrix or dislodging the seal.
• Airtight Threaded N-Series Connection: Screws directly into North facepieces, eliminating accidental disengagement caused by vibration or rough handling.

Typical Applications

• Airframe Structural Welding & Brazing: Fits beneath tight welding shields to filter out toxic hexavalent chromium and metal fumes during aluminum and titanium assembly.
• Aerospace Sanding & Composite Grinding: Shields personnel from carbon fiber, fiberglass, and resin particulates generated during structural repairs and panel trimming.
• Chromated Primer & Paint Abatement: Essential protection when scraping, sanding, or prepping surfaces coated with zinc chromate or polyurethane finishes.
• Facility MRO & Toxic Remediation: Used for hazardous facility maintenance, lead pipe overhaul, and flight-line toxic particulate management.

• All in-stock orders are processed within 1–2 business days (excluding weekends and holidays) after receiving your order confirmation email.
• Orders with a lead time will ship according to the estimated shipping time shown on the product page.
• If we experience a high volume of orders or if an item is backordered, processing times may be slightly delayed. We will notify you promptly via email.

• Returns and damage claims must be made within a maximum of 3 business days after receiving the product, with prior authorization from Aircraft Shop Supply (Return Material Authorization - RMA). Returns without prior notice or written authorization will not be accepted. We strongly recommend inspecting the product upon delivery; many products require special storage conditions for which we are not responsible once they arrive to the client's facility. Please review the product's SDS for proper storage and handling.
• For products with 3 to 6 months of remaining shelf life, claims must be made within the next 2 business days after receipt.
• Returns are not accepted for products with less than 3 months of remaining shelf life.
• Returns are not accepted for products purchased during a low Shelf Life promotion, items sold with discounts, or special orders that must be placed directly with the factory.
• The customer is responsible for the return shipping cost, except in cases where the return is due to an error on the part of Aircraft Shop Supply.
• Refunds will only be issued after the product has been inspected and no damage is found.
• A 25% Restocking Fee will be charged for returns of products in good condition that are either no longer needed or were ordered incorrectly.
• A 35% Restocking Fee will be charged for returns of products with one year or less of remaining shelf life.
• No Restocking Fee will be charged if Aircraft Shop Supply is responsible for incorrectly shipping a product, or if the order is damaged upon leaving the warehouse.
• Hazardous Materials & Dangerous Goods: These items are sold as final and are not eligible for return approval.

At Aircraft Shop Supply, we are committed to shipping the highest quality and freshest product possible. To ensure efficient stock rotation and meet aviation industry standards, our inventory management is governed by the following policy:

1. Scope of Application
All Sales Channels: This policy applies to all orders processed by Aircraft Shop Supply, including but not limited to: website purchases, direct email orders, formal Purchase Orders (POs), phone orders, and contract agreements.

2. Inventory Management (FIFO)
All products with an expiration date are managed and shipped on a strict "First In – First Out" (FIFO) basis.

3. Minimum Shipping Margin
Standard Guarantee: We will not ship any products with fewer than 30 days of use remaining (days before expiration), unless previously coordinated and agreed upon with the customer.

No Automatic Guarantees: Outside of this 30-day minimum margin, Aircraft Shop Supply does not make any automatic guarantee as to the specific length of time remaining on any shelf-life item for standard orders.

4. Special Customer Requirements
We understand that certain projects, maintenance schedules, or regulatory standards require strict specifications. If your order has specific shelf-life requirements, please proceed as follows:

How to Request: If you require a specific Date of Manufacture (DOM), Date of Expiration (DOE), or a specific minimum shelf-life percentage (%), you must clearly state this requirement:

In the Comments/Notes section when placing an online order.

Explicitly written on your Purchase Order (PO) or quote request email for offline orders.

Validation Process: Once your requirement is received:

We will ship your order if the available stock matches your specifications.

If we do not have the exact batch, we will contact you prior to shipping with the shelf-life percentage (%) or dates we have available for your acceptance.

5. Limitation of Liability and Validity of Information
To ensure transparency and manage expectations, the following terms and conditions apply:

Time-Limited Validity: Any information provided by our team regarding the remaining shelf-life percentage (%) is valid only at the exact time the inquiry is made. Due to high inventory turnover, availability is subject to change without prior notice.

Informational Purposes Only: Shelf-life data provided by Aircraft Shop Supply is strictly for informational purposes and reflects the availability at the moment of inquiry. It does not constitute a batch reservation or a product warranty.

Supply Chain Liability Exclusion: Aircraft Shop Supply is not responsible for the time elapsed or any product expiration that occurs after the order has been prepared and packed. This includes, but is not limited to: the time between order placement, carrier transit times, intermediary storage, customs delays, and final delivery to the end user. It is the customer's responsibility to account for these logistical lead times within their planning.