Air Purifier

Crusaders Air Purifier XJ-3500H

Smart Air Purification for Medium-Sized Rooms

The Crusaders XJ-3500H Air Purifier is engineered to bring clean, healthy air to medium-sized rooms, such as living rooms, bedrooms, clinics, and office cabins. Backed by a powerful 6-stage filtration system and intelligent air quality detection, this model ensures that pollutants are removed quickly, quietly, and efficiently.

Built with PM2.5 sensors, auto mode, and real-time air quality display, the XJ-3500H takes the guesswork out of indoor air purification — making it a trusted choice for Indian households battling pollution, allergens, odors, and harmful gases.

HEPA Filteration

Auto Operation Mode

Deodorizing Filter

PM 2.5 Indicator

Touch Panel

Plasmacluster

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Technical Specifications

Feature

Specification

Room Coverage

Up to 450-500 sq. ft. 

CADR (Airflow)

300 m³/hr

Filtration Stages

6 (Pre, Carbon, HEPA H14, TiO, UV, Plasma Ions)

Fan Speeds

3 + Auto + Sleep

AQI Indicator

Real Time Digital PM2.5 Monitoring & Display

Control Panel

Only Touch without Remote 

Filter Type

Cylindrical (360° Air Intake)

Timer

Yes

Replace Filter Indicator

Yes

Power Consumption

35 Watts

Dimensions

217 x 217 x 498 mm 

Weight

4.3 kg

Filter Life

3300 hours approx. (we use true HEPA & Carbon)

Warranty

1 Year

Advanced 6-Stage Filtration System

This purifier combines multiple technologies for comprehensive air cleaning:

Ideal for Indian Conditions

With a coverage area of up to 500 sq. ft. and a CADR of 300 m³/hr, the XJ-3500H is built to handle pollution-heavy cities like Delhi, Mumbai, and Kolkata. Whether you’re dealing with heavy dust, post-monsoon mold, pet dander, or kitchen fumes, this purifier is engineered to tackle India's most pressing indoor air challenges quickly and efficiently.

Intelligent & Automated Operation

  • Auto Mode: Automatically adjusts fan speed based on PM2.5 levels for hassle-free usage.
  • Real-Time Air Quality Display: View indoor air quality instantly via the built-in sensor panel.
  • Filter Replacement Indicator: Alerts you when it's time to change filters for uninterrupted performance.
  • Sleep Mode: Operates silently in low-light environments for undisturbed rest.
  • Touch Panel Controls: Easy-to-use interface for speed, UV, ION, and timer settings.

Compact & Sleek Design

  • The XJ-3500H features a cylindrical filter for 360° air intake, enhancing purification speed and efficiency. With a modern, compact body (just 4.3 kg), it's easy to move and blends seamlessly into any home or office décor.

Energy-Efficient Operation

  • Consuming only 35W, the XJ-3500H ensures clean air round-the-clock without impacting your electricity bill — perfect for families, elderly individuals, and clinics that need constant air protection.

Who Should Choose the XJ-3500H?

Homeowners with medium-sized living spaces or bedrooms

Ideal for doctors or clinic operators who require quiet, continuous air purification in OPD rooms.

Working professionals seeking better home air quality and comfort

Parents of allergy-prone children or asthmatic individuals

What Makes CRUSADERS Unique?

CRUSADERS offers a unique solution by combining an advanced Air Cleaner and a powerful Air Sterilizer in a single unit. The Air Cleaner section uses a Pre-Filter, Activated Carbon Filter, and HEPA Filter to effectively remove dust, allergens, and odors from the air. At the same time, the Air Sterilizer is equipped with a TiO₂ Photo-Catalyst Filter, UV LED, and Plasma Ionizer to eliminate bacteria, viruses, and other harmful microorganisms, ensuring cleaner, healthier, and safer indoor air.

FAQs

How can we help you?

1. What makes Crusaders Air Purifiers different from other brands?

Crusaders is an Indian brand with over 20 years of experience in air purification. Our purifiers are custom-designed for Indian conditions, featuring a 6-stage filtration system, including HEPA H14, Activated Carbon, UV-C, TiO₂ Photocatalyst, and Plasma Ionization. Plus, we offer pan-India service support, certified quality, and affordable pricing.

Our air purifiers come equipped with:

  • Pre-Filter – Captures large particles like hair, lint, and pet dander

  • HEPA H14 Filter – Hospital-grade filtration for 99.97% airborne particles down to 0.3 microns

  • Activated Carbon Filter – Absorbs gases, smoke, VOCs, and foul odors

  • Photo-Catalyst Filter (TiO₂) – Breaks down organic pollutants and VOCs

  • UV-C LED Light – Kills airborne bacteria and viruses

  • Plasma Ionizer – Neutralizes allergens, dust, and static particles

This combination ensures maximum purification and sanitization of your indoor air.

It depends on your room size and purpose.

  • XJ-2100H – Best for bedrooms or rooms up to 250 sq. ft.
  • XJ-2500H – Best for bedrooms or rooms up to 300 sq. ft.

  • XJ-3500H – Ideal for mid-sized rooms or home offices up to 500 sq. ft.

  • XJ-3800H – Suitable for rooms up to 600 sq. ft.

  • XJ-4000HT – Covers large spaces up to 750 sq. ft.

  • XJ-4500H – Heavy-duty model for hospitals, clinics, and commercial use up to 1000 sq.ft.
  • XJ-4800H – Best for bedrooms or halls where you want a HOT & COLD dual functionality for an area up to 400 sq. ft.

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Typically, filters last 12-14 months depending on daily usage time and air quality in your area. HEPA and carbon filters should be replaced annually in high-pollution areas. Your purifier also has a filter replacement indicator to alert you when it’s time.

Typically, True HEPA & CARBON along with TiO2 Photo-Catalyst filters last 3500 hours maximum and even that is depending on the air quality in your area. For example a smoker’s house the filters will get exhausted faster in comparison to a normal home. So the life of a filter is very heavily dependent on the environment it is being used in. Making false claims on filter life is a bad way to misguide a customer and lure him towards a product without giving facts on after sales support. 

As a matter of fact, if you run a machine with choked filters it will likely cause you more harm and even damage the main machine motor. Hence our units come with an inbuilt filter life indication which tells you when a filter is choked and it needs a replacement. 

Yes, our purifiers use UV-C light and Plasma Ion technology, which are scientifically proven to kill or neutralize viruses, bacteria, and pathogens. The HEPA H14 filter captures particles as small as 0.3 microns — including virus-carrying aerosols.

Absolutely. Our models consume between 32W to 55W, making them ideal for 24/7 use without significantly impacting your electricity bill.

Yes, our purifiers feature Sleep Mode, which runs at ultra-low noise levels and dims the lights for undisturbed rest. The timer function can also be used to automatically switch off after a set duration. It is recommended you always have the air purifier on at night as thats when your breathing is relaxed and your lungs should get the best air quality.

Our headquarter is in New Delhi, India, and we ship pan-India. We also have service support and product availability in Delhi, Mumbai, Bengaluru, Hyderabad, Chennai, and more.

Yes. All Crusaders air purifiers come with a 1-year standard warranty. Our customer support team provides filter replacement assistance, installation guidance and any technical assistance over a call. We also undertake AMC (Annual Maintenance Contracts) for bulk / commercial buyers.

Our purifiers are custom-designed for Indian conditions, featuring a 6-stage filtration system, including HEPA H14, Activated Carbon, UV-C, TiO₂ Photocatalyst, and Plasma Ionization. We have always been the leader in industry for Filtration system and covering the full range of Pollution elements. 

We believe you the customer should get maximum value for your money, in both Technology & Design. Our longevity speaks for our after sales and customer driven approach as we are the longest serving Air Purifier brand in the country. 

When you buy CRUSADERS you buy a Great Design with Best Filtration Technology that promises to protect you and your family from all elements of AIR POLLUTION

Yes, our full range of Crusaders Air Purifiers is available exclusively on our official website. We offer secure online payments, nationwide shipping, and full after-sales support when you order directly from us. We are also available on E-Commerce platforms with some of our Models. For Govt Buyers we are available on GeM platform.

For bulk orders, B2B solutions, or institutional purchases, please contact our team directly.

📞 Call: 9958492349 / 9810016213
📧 Email: [email protected] | [email protected]

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