3700 RP Arrestor Series

Name: 3700 Spra-Gard High Capacity High Efficiency
Brand: RTT Finishing Solutions

Spra-Gard High Capacity / High Efficiency RP Arrestors

The RTT 3700 Series Spra-Gard High Efficiency RP Paint Arrestor delivers both the highest paint holding capacity and superior removal efficiency in the 3000–3700 series lineup. Its construction combines 7 layers of high-capacity slit and expanded Kraft paper with two layers of polyester – one light and one heavy-density final layer (7 Paper / 2 Light-Heavy Poly). The heavy-density polyester final layer provides maximum fine-particle capture, while the high-capacity paper base extends the service interval significantly beyond single-polyester alternatives. Independent testing by LMS Technologies, Inc. confirmed an average removal efficiency of 99.87% and a paint holding capacity of 6.2 lb. (2,828 grams).

The 3700 Series is designed for high-volume finishing operations where both peak efficiency and long service intervals are required simultaneously – reducing downtime, changeout labor, and exhaust stack maintenance. The initial pressure drop of 0.08 in. wg on a clean filter rises to 0.41 in. wg at full load, with a single pad per stage. Available in pad form (Part No. 3732, 20″ × 20″) and roll form.

Product Brochure

3700 Spra-Gard High Capacity / High Efficiency RP Arrestor Series

Identification

Model: 3700 Series Spra-Gard High Capacity / High Efficiency RP Paint Arrestor

Part No.: 3732 Pad (20” x 20”)

Pads in series: 1

Test Information

Paint Type: High Solids Baking Enamel (S.W. #1 Permaclad 2400, red)

Spray Method: Conventional Air Gun at 40 PSI

Feed Rate: 142 grains/min. (135 cc./min.)

Air Velocity: 150 FPM

Test Results

Avg. Efficiency: 99.87%

Paint Holding Capacity: 6.2 lb. (2828 grams)

Initial Pressure Drop (clean): 0.08 in. wg

Final Pressure Drop (loaded): 0.41 in. wg

Ideal Applications

RP Arrestor Series		3000	3100	3200	3300	3400	3600	3700
Resistance to Airflow		Lower		Average		Higher	Average	Higher
Efficiency		Average	Higher
Holding Capacity		Lower	Average		Higher
High Viscosity Coatings (Wet & Sticky)	Adhesive	Good	Good	Better	Best	Best	Best	Best
	Air-Dry Enamels	Good	Better	Better	Best	Best	Better	Best
	Bake-Dry Enamels	Good	Better	Better	Best	Best	Better	Best
	Clear Coat	Good	Better	Better	Best	Better	Best	Better
	Epoxies	Good	Better	Best	Best	Best	Best	Best
	Fiberglass	Good	Better	Best	Best	Best	Best	Best
	Gel Coats	Good	Better	Best	Best	Best	Best	Best
	Hi-Solids Enamels	Good	Better	Best	Best	Best	Best	Best
	Primers - Air Dry	Good	Better	Best	Best	Best	Best	Best
	Teflon	Good	Better	Better	Best	Best	Better	Best
	Urethanes	Good	Better	Best	Best	Best	Best	Best
Low Viscosity Coatings (Wet & Runny)	Stains	Good	Good	Better	Best	Best	Better	Best
Low Viscosity Coatings (Wet & Runny)	Waterbornes	Good	Good	Better	Best	Best	Better	Best
Dry, Dusty Coatings	Lacquers	Good	Good	Better	Best	Good	Good	Good
Dry, Dusty Coatings	Sealers	Good	Good	Better	Best	Good	Good	Good

“In my opinion, the most important thing to consider when buying equipment is having a partner who can get the job done. Anyone can sell you something, but RTT had the willingness to make sure it all came together and did exactly what we needed it to do.”

“RTT provided the right-side downdraft solution and saved us significant costs by eliminating the need for an in-ground pit. The booth has performed great, and our painters are very happy with it.”

“Our plant will enjoy increased output, less rework, improved drying times, fewer delays and fewer defects, while helping to create a highly efficient and employee-friendly workplace.”

3000 Standard

The 3000 Standard RP Arrestor Series offers reliable overspray capture for general coating applications - compatible with multiple spray methods and built with eco-conscious, degradable materials.

3100 Standard High Capacity

The 3100 Standard High Capacity RP Paint Arrestor Series is built for high-production environments and compact booths - optimized for heavy, tacky coatings and slower-drying finishes.

3200 Spra-Gard High Efficiency

The 3200 Spra-Gard High Efficiency RP Arrestor Series provides durable, single-stage overspray capture for most applications with a polyester-backed design. Available in pads or rolls.

3300 Spra-Gard High Efficiency

The 3300 Spra-Gard High Efficiency RP Arrestor Series offers peak overspray capture with high-density polyester backing, delivering superior, single-stage performance for most applications.

3400 Spra-Gard High Capacity High Efficiency

The 3400 Spra-Gard High Capacity High Efficiency RP Arrestor Series delivers peak efficiency and extended service life - purpose-built to reduce downtime in high-production environments.

3600 Spra-Gard High Capacity High Efficiency

The 3600 Spra-Gard High Capacity High Efficiency RP Arrestor Series delivers 3200 Series efficiency with extended filter life, engineered for high-production operations where uptime is critical.