Pentair Pentek RFC20-BB Big Blue 20" x 4.5" Carbon Water Filter, Pack of 2 - size: Pack of 2, style: 20" x 4.5"
Pentair Pentek RFC20-BB Big Blue 20" x 4.5" Carbon Water Filter, Pack of 2 - size: Pack of 2, style: 20" x 4.5"
About this item
- REDUCES CHLORINE TASTE AND ODOR - Granular activated carbon reduces chlorine taste and odor for cleaner, better-tasting water at every tap, treating your whole house from a single point of entry.
- RADIAL FLOW FOR LOW PRESSURE DROP - The radial flow design delivers just 0.90 psi drop at 4 gpm and significantly reduces the carbon fines commonly released by standard granular carbon cartridges.
- DURABLE GAC-IN-SHELL BUILD - A bed of granular activated carbon is sealed between a 70-micron porous polyethylene outer shell and a spun polypropylene core, with polypropylene endcaps and Buna-N gaskets.
- NSF CERTIFIED MATERIALS, BIG BLUE FIT - Tested and Certified by NSF International to NSF/ANSI Standard 42 for material requirements; this 20" x 4.5" cartridge fits standard 20 inch Big Blue whole house housings.
- OVER 100,000 GALLON CAPACITY - Reduces chlorine taste and odor for more than 100,000 gallons at 4 gpm; rated 40 to 125 degrees F. Replace when you notice returning taste or odor, or a drop in flow.
Overview
- Material: Carbon Fiber
- Product Dimensions: 4.5"D x 4.5"W x 20"H
- Item Weight: 9.1 pounds
- External Testing Certification: NSF
- Product Benefits: Reduces impurities for great tasting, clearer water
Couldn't load pickup availability
Low stock: 10 left
View full details

Reviews
-
⭐⭐⭐⭐⭐
Michael Turner — Columbus, Ohio
MROVanta made it easier to find several maintenance supplies in one place. The product information helped me compare the available options, and everything I ordered was useful for routine work around our facility.
-
⭐⭐⭐⭐⭐
Rachel Morgan — Phoenix, Arizona
I was looking for practical supplies for our workshop and found the selection easy to browse. The categories were well organized, and I could quickly locate tools, fasteners, and other items needed for regular maintenance.
-
⭐⭐⭐⭐⭐
David Collins — Charlotte, North Carolina
The products I selected were suitable for the maintenance tasks we had planned. I appreciated being able to review the specifications before ordering, especially when comparing sizes and compatibility for different applications.
-
⭐⭐⭐⭐⭐
Amanda Brooks — Denver, Colorado
I ordered a mix of facility and equipment supplies for our work area. The shopping process was straightforward, and the selection covered several everyday maintenance needs without requiring visits to multiple stores.
New Arrivals
-
1/4-20 x 1/2" Carriage Bolts, Round Head, Square Neck, Stainless Steel 18-8, Full Thread, Plain Finish, Flat Point, Quantity 50 By Fastenere - size: 1/4-20 x 1/2" (50 Pack)
Regular price $26.99 USDRegular priceSale price $26.99 USD -
4 Pack 11 Inch Heavy Duty Locking C Clamp Pliers with Swivel Pads, Versatile Vice Grip Welding Clamps for Woodworking and Welding
Regular price $41.48 USDRegular priceSale price $41.48 USD -
Meeco's Red Devil 613C Red High-Temperature Silicone Sealant for Pellet Stove Flues & Gas Vent Pipes (10.3 fl oz Cartridge) - Ready to Use - Made in the USA
Regular price $39.77 USDRegular priceSale price $39.77 USD -
DIHOOL Solar Panel Disconnect Switch with IP65 Din Box, 60 Amp Dual Pole 12V-400V, Non Polarized AC DC Miniature Circuit Breaker, PV Array Shut Off Isolator
Regular price $33.18 USDRegular priceSale price $33.18 USD -
uxcell 6003-2RS Ball Bearing 17mm x 35mm x 10mm Double Sealed 180103 Deep Groove Bearings High Carbon Steel Z1 (Pack of 2)
Regular price $12.10 USDRegular priceSale price $12.10 USD -
RIH Pneumatics Solenoid Valve 3/8"NPT DC24V Single Coil Pilot-Operated Electric 5Way2Position 4V310(DC24V Wire, 3/8‘’) - style: DC24V Wire
Regular price $29.03 USDRegular priceSale price $29.03 USD -
RIH Pneumatics Solenoid Valve 3/8"NPT DC24V Single Coil Pilot-Operated Electric 5Way2Position 4V310 WithJunctionBox (DC24V JunctionBox, 3/8‘’) - style: DC24V JunctionBox
Regular price $34.01 USDRegular priceSale price $34.01 USD -
RIH Pneumatics Solenoid Valve 3/8"NPT AC110V Single Coil Pilot-Operated Electric 5Way2Position 4V310 WithJunctionBox (AC110V JunctionBox, 3/8‘’) - style: AC110V JunctionBox
Regular price $34.01 USDRegular priceSale price $34.01 USD -
3/8"-10 Acme Heavy Hex Nut Left Hand 2g for Acme Threaded Rod Lh 3/8-10 Pkg Qty 25 Heavy Duty Fasteners Hardware Set Industrial Fastening Assortment Construction
Regular price $627.94 USDRegular priceSale price $627.94 USD -
RIH Pneumatics Solenoid Valve 3/8"NPT DC12V Single Coil Pilot-Operated Electric 5Way2Position 4V310 WithJunctionBox(DC12V JunctionBox, 3/8‘’) - style: DC12V JunctionBox
Regular price $34.01 USDRegular priceSale price $34.01 USD -
RIH Pneumatics Solenoid Valve 3/8"NPT AC110V Single Coil Pilot-Operated Electric 5Way2Position 4V310 (AC110V Wire, 3/8‘’) - style: AC110V Wire
Regular price $34.01 USDRegular priceSale price $34.01 USD -
RIH Pneumatics Solenoid Valve 3/8"NPT DC12V Single Coil Pilot-Operated Electric 5Way2Position 4V310 (DC12V Wire, 3/8‘’) - style: DC12V Wire
Regular price $34.01 USDRegular priceSale price $34.01 USD -
50 pcs 1/4"-20 Serrated Flange Hex Lock Nuts, 304 Stainless Steel 18-8 Full Thread Locknuts for Outdoor Furniture, Industrial Machinery, Automotive Repair & DIY Projects with Bright Finish - size: 1/4"-20
Regular price $13.15 USDRegular priceSale price $13.15 USD -
50 pcs 3/8"-16 Serrated Flange Hex Lock Nuts, 304 Stainless Steel 18-8 Full Thread Locknuts for Outdoor Furniture, Industrial Machinery, Automotive Repair & DIY Projects with Bright Finish - size: 3/8"-16
Regular price $21.61 USDRegular priceSale price $21.61 USD -
Pillow Block Bearing 1 inch Shaft Bore, Flange Mounted UCFL205-16, Solid Cast Iron Base, Swamp Cooler Parts, Self-Aligning, 2Pack - size: UCFL-205-16
Regular price $24.88 USDRegular priceSale price $24.88 USD -
50 pcs 5/16"-18 Serrated Flange Hex Lock Nuts, 304 Stainless Steel 18-8 Full Thread Locknuts for Outdoor Furniture, Industrial Machinery, Automotive Repair & DIY Projects with Bright Finish - size: 5/16"-18
Regular price $16.28 USDRegular priceSale price $16.28 USD -
Pillow Block Bearing 1 1/4 inch Shaft Bore, Flange Mounted UCFL206-20, Solid Cast Iron Base, Swamp Cooler Parts, Self-Aligning, 2Pack - size: UCFL-206-20
Regular price $31.52 USDRegular priceSale price $31.52 USD -
Pillow Block Bearing 1 inch Shaft Bore, Square Flange Mounted UCF205-16 Solid Cast Iron Base, Swamp Cooler Parts, Self-Aligning, 2Pack - size: UCF-205-16
Regular price $23.72 USDRegular priceSale price $23.72 USD
Featured Collections
-
Abrasive & Finishing Products
Prepare, shape, smooth, clean, and finish working surfaces with the Abrasive &...
-
Adhesives, Sealants & Lubricants
Support assembly, repair, sealing, protection, and equipment maintenance with the Adhesives, Sealants...
-
Cutting Tools
Explore cutting tools for machining, fabrication, repair, installation, and routine maintenance across...
FAQ
How can I confirm that a product is suitable for my application?
Review the product description, dimensions, materials, ratings, connection types, and compatibility information before ordering. Industrial requirements vary, so consult the equipment manufacturer or a qualified professional if you are uncertain.
Do you provide installation or technical advice?
We can help clarify information shown on a product page, but we do not provide engineering, installation, or workplace-safety advice. Products should be selected, installed, and operated by appropriately qualified personnel where required.
Can I change or cancel my order after placing it?
Contact us as soon as possible at ruleindgalein@gmail.com. We will try to accommodate your request, but changes or cancellations cannot be guaranteed once an order has entered processing or shipment.
When will my order be shipped?
Processing and delivery estimates may vary depending on the product, destination, inventory availability, and carrier. Please review the shipping information provided at checkout and our Shipping & Delivery Policy for additional details.
How can I track my order?
When tracking becomes available, it will be sent to the email address used for your order. Tracking activity may take some time to appear after the carrier receives the shipment.
Why did my order arrive in more than one package?
Items from the same order may be fulfilled or shipped separately. As a result, packages can arrive at different times and may have separate tracking numbers. You will not be charged additional shipping solely because an order is divided into multiple shipments.
What should I do if an item arrives damaged, defective, or incorrect?
Contact us promptly at ruleindgalein@gmail.com with your order number, a description of the issue, and clear photographs of the item, packaging, shipping label, and any visible damage. Keep all packaging until we provide further instructions.
Can I return an item if it is not suitable?
Eligible items may be returned in accordance with our Return & Refund Policy. Return conditions, exclusions, time limits, and any applicable costs depend on the item and circumstances. Please contact us before sending anything back.
Do you offer bulk quantities or business purchasing?
Availability of larger quantities varies by product. Email us with the product link, desired quantity, required specifications, and delivery location, and we will let you know whether suitable options are available.
How can I contact MROVanta?
Email us at ruleindgalein@gmail.com or call +1 (936) 260-5549. Include your order number when contacting us about an existing purchase so we can assist you more efficiently.
Blog posts
View all-
How to Stop Rust on Exposed Metal Pipes in Humi...
Preventing pipe corrosion in humid industrial facilities requires more than removing visible rust. Learn practical MRO strategies for moisture control, surface preparation, protective coatings, pipe supports, and ongoing inspections.
How to Stop Rust on Exposed Metal Pipes in Humi...
Preventing pipe corrosion in humid industrial facilities requires more than removing visible rust. Learn practical MRO strategies for moisture control, surface preparation, protective coatings, pipe supports, and ongoing inspections.
-
Rust Prevention on Exposed Metal Pipes: 5 MRO M...
Prevent rust on exposed metal pipes with practical MRO corrosion-control strategies. Learn how humidity, surface preparation, protective coatings, inspection routines, and environmental conditions affect industrial pipe maintenance.
Rust Prevention on Exposed Metal Pipes: 5 MRO M...
Prevent rust on exposed metal pipes with practical MRO corrosion-control strategies. Learn how humidity, surface preparation, protective coatings, inspection routines, and environmental conditions affect industrial pipe maintenance.
-
How to Stop Rust Before It Starts: A Practical ...
Learn how to prevent rust on exposed metal pipes in humid industrial facilities. Discover practical corrosion-control methods, surface preparation techniques, coating considerations, and preventive maintenance practices.
How to Stop Rust Before It Starts: A Practical ...
Learn how to prevent rust on exposed metal pipes in humid industrial facilities. Discover practical corrosion-control methods, surface preparation techniques, coating considerations, and preventive maintenance practices.















