Buckley Associates Stock Catalog - November 21, 2025

Ceiling Diffusers

PDDR3 Steel, Perforated Return Diffuser with Round or Square Duct Connection for T-Bar Ceilings

13

PDDR3 Square Duct Connection

PDDR3 Round Duct Connection

PDDR Round T-Bar

PDDR Square T-Bar 104.00 PDDR38X8 104.00 PDDR310X10 104.00 PDDR312X12 104.00 PDDR314X14 121.30 PDDR318X18 89.20 PDDR322X10 86.70 PDDR322X22

Inlet Size

CFM

Panel Size

Inlet Size

CFM

Panel Size

92.50 PDDR36 92.50 PDDR38 92.50 PDDR310 92.50 PDDR312 92.50 PDDR314 121.30 PDDR316

6

98

24 × 24

8 × 8

222

24 × 24

8

175

24 × 24

10 × 10

347

24 × 24

10

273

24 × 24

12 × 12

500

24 × 24

12

393

24 × 24

14 × 14

681

24 × 24

14

535

24 × 24

18 × 18

1125

24 × 24

16

698

24 × 24

22 × 10

764

24 × 12

CFM @ 500FPM Neck Velocity.

22 × 22

1681

24 × 24

CFM @ 500FPM Neck Velocity.

PFRF3 Steel, Perforated Face Return Diffuser

APF Aluminum Plaster Frame For T-Bar Diffusers In stalled in Sheet Rock Ceilings

PFRF3 T-Bar

Size

APF

Size

CFM

81.00 APF12X12 100.90 APF24X12 93.20 APF15X15 100.90 APF18X18 135.00 APF24X24 147.00 APF48X24

12 × 12

48.30 PFRF324X12 70.60 PFRF324X24

24 × 12

878

24 × 12

24 × 24

1837

15 × 15

CFM @ 500FPM Neck Velocity

18 × 18

24 × 24

48 × 24

Buckley Associates, Inc.

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