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DOUGLAS EQUIPMENT Miami · Since 1955
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CTP Air Filter

CTP-1R0721

Air Filter 1R0721 — 3508B

CTP primary air filter 1R0721. Multi-layer cellulose with synthetic enhancement, designed for high-dust LATAM operating conditions for 3508B — fits 3508C, 3512B, 3512C. Replaces OEM equivalent at substantial savings.

In Stock — Miami Warehouse LATAM · 0% Pricing Eligible 30-50% vs OEM

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OEM Cross-References

CTP aftermarket reference cross-references the following OEM part numbers:

  • 1R0721 OEM

Compatible Machines

Documented fitment for the following machines. Verify with your machine serial number for exact match.

  • 3508B
  • 3508C
  • 3512B
  • 3512C
  • 3516B
  • 3516C
  • G3508
  • G3508B
  • G3512
  • G3512B
  • G3516
  • G3516B
  • G3516H
  • G3520B

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CTP-0947070

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CTP-0965028

Air Filter 0965028 — 303E CR

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Available now

Need CTP-1R0721 or related parts?

Send your machine model + part list. We confirm cross-reference, stock, and LATAM documentation in hours.

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