Skip to content
Grade 4 Coalescing Filter Element FRT521YE-CS | OEM Replacement for Reading Technologies

Grade 4 Coalescing Filter Element FRT521YE-CS | OEM Replacement for Reading Technologies

SKU FRT521YE-CS
$136.50 - $136.50
$136.50
$136.50 - $136.50
$136.50

Remove oil aerosols, water, and particulate from your compressed air system with the SP Industrial FRT521YE-CS Coalescing Filter Element designed to deliver consistently clean, dry air for sensitive downstream processes. Direct OEM replacement for: READING TECHNOLOGIES 3C-150. SP Industrial Air Supply Numbers: FRT521YE-CS. Trusted by plant maintenance managers and MRO purchasing teams across manufacturing, automotive, food & beverage, and general industrial sectors. Ships from SP Industrial stock order part number FRT521YE-CS today.

Standard shipping

Estimated delivery time: 7-10 days

Best Sellers

No Compromise Advanced Food-Grade Compressor Lubricant

SPI Oil
$296.06 - $4,165.39
$296.06 - $4,165.39
$296.06 - $4,165.39
$296.06
In stock

NSF H1-registered premium advanced food-grade compressor lubricant for industrial compressors in food and beverage facilities. Delivers extended dr...

View full details
$296.06 - $4,165.39
$296.06 - $4,165.39
$296.06 - $4,165.39
$296.06

10K Universal Rotary Replacement Fluid

SPI Oil
$335.40 - $4,076.15
$335.40 - $4,076.15
$335.40 - $4,076.15
$335.40
In stock

Universal synthetic rotary compressor fluid engineered to replace OEM-specified fluids in a wide range of rotary screw and vane compressors at 10,0...

View full details
$335.40 - $4,076.15
$335.40 - $4,076.15
$335.40 - $4,076.15
$335.40

Advanced Technology PAO Compressor Fluid

SPI Oil
$280.69 - $3,423.76
$280.69 - $3,423.76
$280.69 - $3,423.76
$280.69
In stock

Premium PAO-based synthetic compressor fluid engineered for industrial rotary screw, vane, and reciprocating compressors. Delivers superior oxidati...

View full details
$280.69 - $3,423.76
$280.69 - $3,423.76
$280.69 - $3,423.76
$280.69

Ammonia Compressor Fluid

SPI Oil
$154.92 - $1,398.01
$154.92 - $1,398.01
$154.92 - $1,398.01
$154.92
In stock

Specially formulated ammonia refrigeration compressor fluid designed for industrial systems using anhydrous ammonia (R717). Provides excellent lubr...

View full details
$154.92 - $1,398.01
$154.92 - $1,398.01
$154.92 - $1,398.01
$154.92

Immiscible CO2 Compressor Lubricant

SPI Oil
$199.12 - $2,077.11
$199.12 - $2,077.11
$199.12 - $2,077.11
$199.12
In stock

Immiscible CO2 compressor lubricant for industrial CO2 compression systems where oil-refrigerant separation is critical. Engineered to remain separ...

View full details
$199.12 - $2,077.11
$199.12 - $2,077.11
$199.12 - $2,077.11
$199.12

PAG Based Gas Compressor Fluid

SPI Oil
$198.36 - $2,691.68
$198.36 - $2,691.68
$198.36 - $2,691.68
$198.36
In stock

Polyalkylene glycol (PAG) based gas compressor fluid engineered for natural gas, hydrocarbon gas, and process gas compressors. PAG chemistry provid...

View full details
$198.36 - $2,691.68
$198.36 - $2,691.68
$198.36 - $2,691.68
$198.36
Shop Collection

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare