The 6 types · side-by-side

Distributor-facing reading. Each row gives best-for, key trade-off, capacity, price band, and how many of SPC's tier slots carry an option at that product type.

Product type

Best for

Key trade-off

Typical capacity

Price band

Brands SPC carries

Synthetic Compressor Oil PAO / ester base · ~8,000-hour drain

The TCO conversion — mineral out, synthetic in.Every rotary-screw running mineral oil at 2,000-4,000-hour intervals. Crosses to Atlas Copco Roto-Xtend Duty, Quincy QuinSyn, Sullair Sullube, Ingersoll Rand Ultra Coolant. ISO 32 / 46 / 68 / 100 grades matched to the OEM spec.

Sticker price · sells on TCOHigher cost per gallon than conventional. The case is total cost of ownership — 8,000-hour synthetic interval vs. 2,000-4,000-hour mineral cuts 1-2 oil changes per year per compressor, and the labor + downtime savings dominate the math at any duty above ~30 hours per week.

~8,000 service hours per fill
PAO · ester · polyglycol base stocks

$$ · 30-50% under OEM

2 / 5 · AMSOIL + KELTEC

Food-Grade Compressor Oil NSF H1 registered · audit-driven spec

Audit compliance — not a performance upgrade.Food, beverage, pharma, nutraceutical, cosmetics — any plant whose HACCP, SQF, BRC, FSSC 22000, or customer audit demands an NSF H1 fluid. Crosses to Atlas Copco Roto-Foodgrade, Sullair Sullube FG, Quincy QuinSyn FG, Ingersoll Rand Ultra FG Coolant.

Shorter drain · ~6,000 hoursH1-cleared additive chemistry is more constrained than standard synthetic, so drain intervals run ~6,000 hours instead of ~8,000. Still 2-3x the conventional interval, and the audit doesn't give the customer a choice — H1 is a compliance line, not a value engineer.

~6,000 service hours per fill
ISO 32 / 46 / 68 · H1-registered

$$ – $$$ · 25-40% under OEM

2 / 5 · AMSOIL + KELTEC

Compressor Oil Filter · Aftermarket Cross-reference by OEM make / model / HP

Anchor of the annual service kit.Every lubricated rotary-screw consumes one at every oil change. KELTEC leads the US-OEM cross-reference catalog; Mann-Filter covers European OEMs and large industrial. Quote as part of the annual kit, never on its own.

Spec sheet IS the cross-referenceNo micron-rating or bypass-setting evaluation by the customer — the cross-reference catalog validates fit, filtration, and bypass against OEM spec. Photo the OEM nameplate + the existing filter part number; catalog resolves the equivalent in one lookup.

Replaced every ~2,000 hours
spin-on · cartridge format

$ · 30-50% under OEM

2 / 5 · KELTEC + Mann-Filter

Compressor Intake Filter · Aftermarket Cross-reference replacement element

Third leg of the annual kit.Every rotary-screw and most industrial recips consume one annually (clean indoor) or quarterly (foundry, cement, grain, woodshop, dusty industrial). KELTEC for US-OEM cross, Mann-Filter for European OEMs. Bundle with oil + oil filter + separator.

Environment sets the cadenceStandard 12-month interval in clean indoor air; 3-6 months in dusty environments. Customers in heavy-particulate plants buy 2-4 per year per compressor at standing-order pricing — confirm environment at the quote stage, not after the first early replacement.

12 mo clean · 3-6 mo dusty
panel · cartridge element

$ · 30-50% under OEM

2 / 5 · KELTEC + Mann-Filter

Compressor Intake Filter · Housing + Element Solberg own-brand · housing upgrade path

When the OEM housing is the limit, not the element.Compressor whose intake element chronically lasts weeks because the OEM housing is undersized or wrong media grade for the environment. Solberg F-series (direct-mount), FT-series (remote-mount), panel-mount for enclosed packages — sized 25-50% over nameplate SCFM for sustained duty.

Housing upgrade, not just a part swapHigher first-cost than an aftermarket-element-only replacement, and the housing replacement is a service job, not a 60-second swap. Pays back through longer element life, lower inlet restriction (~1% output per PSI of restriction), and the energy savings of an under-loaded filter on sustained duty.

Sized to compressor FAD + 25-50%
cellulose · polyester · synthetic

$ – $$ · housing upgrade premium

1 / 5 · Solberg only

Service Valve · Replacement Unloader · inlet · check · safety relief

Failure-driven · same-day-need.The customer is calling, not browsing — the compressor is down. Symptom maps to part in one question: hard-start → unloader, won't cycle off → inlet control, pressure drops overnight → check valve, weeping at operating pressure → safety relief. Conrader crosses to Atlas Copco, Quincy, Sullair, Ingersoll Rand, Chicago Pneumatic, ABAC, Kaishan.

Downtime cost dominates priceCustomer is comparing your speed-to-cross-reference and same-day-ship against their downtime cost-per-hour ($500-2,000/hr), not your unit price against a catalog. After closing the emergency replacement, sell the spare-on-the-shelf kit — a maintenance department that's been burned once pre-stocks willingly.

Replaced at failure · ~3-5 yr life
20-250 PSI · 20-60 SCFM body sizes

$ – $$ · 30-50% under OEM

1 / 5 · Conrader only

Reading the brand bench column — the bar shows how many of SPC's tier slots (Industry Leader · Emerging · Economical · adjacent) carry an option at that product type. A deep bench means a price-driven and a spec-driven option both close cleanly; a narrow bench means the available brands map closely to the technical requirements and the comparison stops being a tier choice. Service Parts benches run narrow by design — each product type is a single cross-reference catalog, and consolidating to one or two aftermarket vendors per family IS the value.