Buckley Associates Stock Catalog - June 9, 2026

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 107.60 PDDR38X8 107.60 PDDR310X10 107.60 PDDR312X12 107.60 PDDR314X14 125.60 PDDR318X18 92.30 PDDR322X10 89.70 PDDR322X22

Inlet Size

CFM

Panel Size

Inlet Size

CFM

Panel Size

95.70 PDDR36 95.70 PDDR38 95.70 PDDR310 95.70 PDDR312 95.70 PDDR314 125.60 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 104.40 APF24X12 96.40 APF15X15 104.40 APF18X18 135.00 APF24X24 152.10 APF48X24

12 × 12

50.00 PFRF324X12 73.10 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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