Delta Planer 4IN vs Collector Inlet 5: specs compared
Updated 05 September 2026.
127 mm
Collector Inlet 5 wins on mating diameter
On mating diameter, Collector Inlet 5 leads: 127 mm versus 99 mm.
| Spec | Delta Planer 4IN | Collector Inlet 5 |
|---|---|---|
| Port type | male spigot (hose goes over it) | female socket (hose goes into it) |
| Outer diameter (OD) | 3-15/16 in, 99 mm | |
| Inner diameter (ID) | 91 mm | 5 in, 127 mm |
| Manufacturer designation | 4 in port with 2-1/2 in reducer | 5 in inlet (approx 127 mm) |
| Mating diameter (mm) | 99 | 127 |
Questions and answers
Which has the higher mating diameter, Delta Planer 4IN or Collector Inlet 5?
On mating diameter, Collector Inlet 5 leads: 127 mm versus 99 mm.
How do Delta Planer 4IN and Collector Inlet 5 compare?
On mating diameter, Collector Inlet 5 leads: 127 mm versus 99 mm.