USER MANUAL
REFILLABLE CARBON FILTER
PREMIUM AUSTRALIAN CHARCOAL
3
WELCOME
Thank you for choosing AC Infinity. We are committed to product quality and friendly customer
service. If you have any questions or suggestions, please don’t hesitate to contact us. Visit www.
acinfinity.com and click contact for our contact information.
EMAIL
support@acinfinity.com
WEB
www.acinfinity.com
LOCATION
Los Angeles, CA
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MANUAL CODE RCF2303X1
PRODUCT
Refillable Duct Filter, 4"
Refillable Duct Filter, 6"
Refillable Duct Filter, 8"
Premium Activated Carbon, 4 lb
Premium Activated Carbon, 8 lb
Premium Activated Carbon, 16 lb
Premium Activated Carbon, 32 lb
MODEL
AC-RCF4
AC-RCF6
AC-RCF8
AC-CAR4
AC-CAR8
AC-CAR16
AC-CAR32
UPC-A
819137024168
819137024175
819137024199
819137024267
819137024236
819137024243
819137024250
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MANUAL INDEX
Manual Index .................................................................................
Product Warning ............................................................................
Key Features .................................................................................
Product Contents ...........................................................................
Installation .....................................................................................
Overhead Hanging ........................................................................
Configuration Setup .......................................................................
Maintenance ..................................................................................
Replacing the Carbon ....................................................................
Carbon Refill Guide .......................................................................
Frequently Asked Questions ..........................................................
Other AC Infinity Products .............................................................
Warranty ........................................................................................
Page 5
Page 6
Page 7
Page 8
Page 9
Page 10
Page 14
Page 17
Page 18
Page 21
Page 22
Page 23
Page 24
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Check your local code restrictions for additional safety measures that may be needed for a
proper code compliant installation.
Check local authority requirements for proper disposal of waste and residues.
Read all instructions before installing and using this product.
If you are unfamiliar or have doubts about performing this product’s installation, seek the
services of a qualified, trained, and licensed professional. Inappropriate installation will void
this product’s warranty.
This product must not be used in potentially hazardous locations such as flammable,
explosive, chemical-laden, or wet atmospheres.
This product requires sufficient ventilation in order to properly function.
Ducted products must always be vented to outdoor areas.
Regular maintenance as outlined in the instructions is recommended to maintain ideal
operation. Preventing dust accumulation will minimize potential hazards.
This product pairs with those that have rotating parts. Safety precautions should be exercised
during the installation, operation, and maintenance of this product.
Ensure that safety systems are in place in case of any fire breakout.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
PRODUCT WARNING
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS,
OBSERVE THE FOLLOWING:
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KEY FEATURES
RUST-RESISTANT
Features powder-coated
mesh that resists corrosion
and can withstand high
humidity settings.
MAX AIR PASSTHROUGH
Hexagonal-shaped design
allows complete circulation
of air suitable for both intake
and exhaust applications.
SECURE PLACEMENT
Hanging hooks are fastened to
the flanges away from the steel
mesh to ensure a secure hold
while preventing airflow loss.
REVERSIBLE FLANGES
Aluminum flanges can be
removed and placed on the
opposite ends to fully utilize
the carbon bed inside.
ACTIVATED CARBON
RC412 1200+ IAV Australian
charcoal with high adsorption
rate to completely block odor
and scrub the air.
REFILLABLE DESIGN
Easy-to-remove flanges
with rubber stopper ensure
convenient disposal and
refilling of activated carbon.
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PRODUCT CONTENTS
CARBON
FUNNEL
(x1)
STEEL
SCOOP
(x1)
FILTER
STRAPS
(x2)
PREFILTER
CLOTH
(x2)
ROPE
CLIP
(x2)
DUCT
FILTER
(x1)
CARBON
REFILL
(x1)
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INSTALLATION
STEP 1
Connect your duct tube over your filter. Use
duct clamps to secure the connection. You may
also apply ducting tape before using the duct
clamps for further security.
STEP 2
You may also connect your filter directly
to your inline duct fan. Use duct clamps to
secure them together.
If your filter is placed in a humid space,
position it at the highest point possible.
1
2
10
OVERHEAD HANGING
STEP 1
Loop the strap around a hanging pole.
STEP 2
Slip the strap through the inner ladder lock slot
from the bottom.
STRAPS
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STEP 3
Route the strap into the outer ladder lock slot
from the top. Adjust the length of the completed
loop as needed.
STEP 4
Tuck the loose ends through the center gap of
the ladder lock to secure the loop.
OVERHEAD HANGING
STRAPS
12
OVERHEAD HANGING
STEP 5
Connect your filter to your ductwork using your
preferred method, as shown on page 9.
STRAPS
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OVERHEAD HANGING
ROPE CLIPS
STEP 1
Loop the rope clip hangers around your grow
tent's support beams.
STEP 2
Hook the carabiners into the steel hooks
located on the flanges.
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CONFIGURATION SETUP
INTERIOR HANGING
To use your filter in intake applications,
place it inside your grow space.
Make sure your filter is connected to
your inline duct fan's intake end before
completing the installation.
PREFILTER
When placing your filter inside your
grow space, slip the cloth over your filter
to block dust and other particles from
passing through.
Make sure the entire metal mesh is
covered by the cloth.
1 2
15
EXTERIOR MOUNTING
To use your filter in exhaust applications, place the filter outside of your grow space. Make sure your
filter is connected to your inline duct fan's exhaust end before completing the installation.
Stuff the prefilter inside of the filter to lengthen the carbon bed's lifespan.
CONFIGURATION SETUP
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OVERSIZED GROW SPACE
Use a dual fan and filter combination inside your grow space to completely scrub away odor in
larger grow rooms and tents. Set a second filter on the floor and an inline fan on top of it so that the
exhaust end points up.
CONFIGURATION SETUP
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REVERSING THE FLANGES
To extend your filter's lifespan and utilize its
entire carbon bed, remove the flanges from
either end, swap them to the other ends, and
twist them back into place.
Lay the filter horizontally when reversing the
flanges. Ensure the stopper is in place to keep
the carbon from spilling out.
WASHING THE PREFILTER
Wash the reusable cloth as needed to clear it
of any dust and build-up. This will further extend
the lifespan of your filter.
MAINTENANCE
1
2
3
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REPLACING THE CARBON
STEP 1
Rotate the port flange from your filter, then remove
the rubber stopper from the interior.
STEP 2
Dispose of the used carbon.
Used carbon can be composted.
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REPLACING THE CARBON
STEP 4
Set the rubber stopper into place, making sure
to align the nodes with the corresponding holes.
STEP 3
Place and direct the funnel into one of the
openings and scoop the carbon refill into
your filter.
Make sure to evenly distribute and firmly pack
the activated carbon as you refill your filter.
Do not fill past the plastic barrier.
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REPLACING THE CARBON
STEP 5
Twist the flange back onto your filter.
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CARBON REFILL GUIDE
RECOMMENDED REPLACEMENT
The chart below outlines the approximate number of refills each capacity can provide for your
carbon filter.
How often you replace the activated carbon will depend on your use. We recommend keeping its
carbon bed in place until you begin to smell odors.
Additional charcoal refills available in many sizes at www.acinfinity.com
Refillable Carbon
Filter 4"
AC-RCF4
1 REFILL 2 REFILLS 4 REFILLS 8 REFILLS
Refillable Carbon
Filter 6"
AC-RCF6
N/A 1 REFILL 2 REFILLS 4 REFILLS
Refillable Carbon
Filter 8"
AC-RCF8
N/A N/A 1 REFILL 2 REFILLS
AC-CAR4
4 lb
AC-CAR8
8 lb
AC-CAR16
16 lb
AC-CAR32
32 lb
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FREQUENTLY ASKED QUESTIONS
Q: How long will the activated carbon last?
A: The included carbon should last between 1-2 grow cycles. This will depend on several factors
including fan speed and frequency of use.
Q: How can I extend the life of my carbon filter?
A: There are a number of recommended steps you can take to ensure that your carbon filter lasts
longer. This includes cleaning the prefilter cloth and regularly reversing the filter's flanges. Please
refer to page 17 for details. We also recommend not using the carbon filter until the germination
process begins and odors appear.
Q: Where should I place the prefilter cloth?
A: Slip the prefilter over your carbon filter for use in intake applications. Place the prefilter inside of
the carbon filter for use with exhaust fans. Refer to pages 14-15 for more details.
Q: How can I get more carbon refills?
A: You may purchase activated carbon refills of many sizes at acinfinity.com. Refer to the previous
page for details on how often you should replace your filter's carbon bed.
Q: How do I prevent any carbon from spilling out?
A: After refilling your filter, make sure the rubber stopper is properly aligned and securely set in
place. Do not overfill your filter.
Q: How far do I fill my carbon filter?
A: Do not fill your carbon filter past the plastic barrier. Doing so can prevent the rubber stopper and
flange from being properly reinstalled.
Q: What is the black dust coming from the activated carbon?
A: Black dust from the carbon may appear due to movement during shipping, but should disappear
after first use.
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AC INFINITY PRODUCTS
Discover the latest innovations in environmental controls at acinfinity.com
Advance Grow Tents
The CLOUDLAB series is a line of grow tents designed to create
ideal growing conditions and facilitate indoor plant cultivation
year-round. Features 2000D thick oxford canvas lined with inner
diamond patterned mylar that maximizes grow light luminosity,
and a reinforced frame with 150 lb. weight capacity. Includes a
mounting plate to install your AC Infinity controller onto.
Inline Fans
The CLOUDLINE series is a line of duct fans designed to
quietly ventilate AV rooms and closets, as well as various
DIY air circulation and exhaust projects. Features a thermal
controller with intelligent programming that will automatically
adjust duct fan speeds in response to changing temperatures.
Duct Silencer
The duct silencer is designed to dampen fan and airflow
noise traveling through ductwork. Made for use in inline duct
applications such as HVAC, grow tents, server closets and
more. Uses neoprene foam in egg crate formation to reduce
noise by up to 50%.
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WARRANTY
This warranty program is our commitment to you, the product sold by AC Infinity will be free from
defects in manufacturing for a period of two years from the date of purchase. If a product is found
to have a defect in material or workmanship, we will take the appropriate actions defined in this
warranty to resolve any issues.
The warranty program applies to any order, purchase, receipt, or use of any products sold by AC
Infinity or our authorized dealerships. The program covers products that have become defective,
malfunctioned, or expressively if the product becomes unusable. The warranty program goes into
effect on the date of purchase. The program will expire two years from the date of purchase. If your
product becomes defective during that period, AC Infinity will replace your product with a new one
or issue you a full refund.
The warranty program does not cover abuse or misuse. This includes physical damage, submersion
of the product in water, incorrect Installation such as wrong voltage input, and misuse for any
reason other than intended purposes. AC Infinity is not responsible for consequential loss or
incidental damages of any nature caused by the product. We will not warrant damage from normal
wear such as scratches and dings.
Contact our dealers department at dealers@acinfinity.com or (626) 838-4656 for more
information about our dealers and distributors program. Contact our customer service department
at support@acinfinity.com or 626-923-6399 for product and warranty assistance. Our business
hours are Monday through Friday, 9:00 am to 5:00 pm PST.
If you have any issues with this product, contact us and we'll
happily resolve your problem or issue a full refund!
COPYRIGHT © 2023 AC INFINITY INC. ALL RIGHTS RESERVED
No part of the materials including graphics or logos available in this booklet may be
copied, photocopied, reproduced, translated or reduced to any electronic medium or
machine readable form, in whole or in part, without specific permission from AC Infinity Inc.
